Hobby Knives & Blades

Shop hobby knives and replacement blades for architectural model making, foam board cutting, basswood construction, detail trimming, carving, and precision assembly work. This category includes hobby knives, utility knives, snap-off knives, specialty blades, and replacement blades used for scale models, dimensional construction, and detailed model making workflows.

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  • 45mm Tungsten Steel Rotary Blade 45mm Tungsten Steel Rotary Blade

    45mm Tungsten Steel Rotary Blade

    Olfa
    $9.95
    Look to the OLFA 45mm RB45 Tungsten Steel Rotary Blade for all your project needs. With over 40 years of blade crafting expertise, this ultra-sharp rotary blade delivers exceptional performance and durability. Made from high-quality tungsten steel and...
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  • 9mm 180 Metal Precision Utility Knife

    9mm 180 Metal Precision Utility Knife

    Olfa
    $3.70
    A high-quality precision knife is indispensable in various daily tasks, which is why you'll often find the OLFA 9mm 180 Metal Precision Utility Knife in the pocket of many tradespeople. Its slim steel frame and snap-off blade design allow for efficient...
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  • 9mm 300 Ratchet-Lock Precision Utility Knife 9mm 300 Ratchet-Lock Precision Utility Knife

    9mm 300 Ratchet-Lock Precision Utility Knife

    Olfa
    $7.90
    Opt for the OLFA 9mm 300 Ratchet-Lock Precision Utility Knife for stable and versatile cutting. Crafted from durable ABS plastic, the handle incorporates a ratchet-based locking system, allowing for flexible blade positions to optimize cutting...
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  • 9mm AB Silver Snap Blades 9mm AB Silver Snap Blades

    9mm AB Silver Snap Blades

    Olfa
    $5.55 - $18.95
    Ensure continuous sharpness with OLFA 9mm Precision Silver Snap-Off Blades. Crafted from premium Japanese carbon steel, these blades offer professional-grade cutting performance. With (13) sharp edges per snap blade, you can achieve clean cuts across...
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  • 9mm ABB Black Snap Blades

    9mm ABB Black Snap Blades

    Olfa
    $6.95
    The OLFA 9mm Ultra-Sharp Black Snap Blades offer superior sharpness compared to standard silver blades, with up to 25% increased cutting performance. Crafted from premium Japanese carbon tool steel, these blades are highly durable and dual-honed to...
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  • 9mm Graphics Snap Blades 9mm Graphics Snap Blades

    9mm Graphics Snap Blades

    Olfa
    $10.20
    Achieve precise and intricate graphic cuts with the OLFA A1160B Graphics Snap Blade. Crafted from premium Japanese tool steel and expertly honed to perfection, this precision art blade offers unmatched sharpness for detailed work. The 30° blade point...
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  • 9mm SVR-1 Stainless Steel Slide-Lock Knife 9mm SVR-1 Stainless Steel Slide-Lock Knife

    9mm SVR-1 Stainless Steel Slide-Lock Knife

    Olfa
    $9.30
    Choose the OLFA 9mm SVR-1 Stainless Steel Slide-Lock Knife for precise control and versatility. Its flexible slide-activation allows for easy adjustments to blade depth while cutting, ensuring maneuverability and accuracy. The stainless-steel body...
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  • 9mm XA-1 Fiberglass Precision Knife 9mm XA-1 Fiberglass Precision Knife

    9mm XA-1 Fiberglass Precision Knife

    Olfa
    $8.35
    For precise and detailed cutting tasks, rely on the OLFA XA-1 Fiberglass-Reinforced Precision Knife. Featuring a 9mm pen-like handle with an ergonomic design and rubber grip for comfort and control, this knife also includes an end-cap that functions as...
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  • AB Snap-Off 9mm Stainless Steel Blades (50 Pack)

    AB Snap-Off 9mm Stainless Steel Blades (50 Pack)

    Olfa
    $27.50
    Made of high-quality carbon tool steel with a double-honed blade for unparalleled sharpness and superior edge retention. Features: Stainless steel with a double-honed blade13-segment, 9mm snap-off blade for general cutting use. Exact 59° edge...
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  • Assorted Light-Duty Replacement Blades - 5/pk

    Assorted Light-Duty Replacement Blades - 5/pk

    Excel
    $2.60
    The Excel Blades Assorted Light Duty Blades set offers a selection of 5 high-quality blades designed for light-duty tasks. This assortment includes a #10 Curved Edge Blade, a #16 Stencil Edge Blade, a #17 Small Chisel Blade, and two #11 Double Honed...
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  • Gripster Knife Gripster Knife

    Gripster Knife

    X-Acto
    $10.15
    The X-Acto Gripster represents the next evolution of the #1 Knife, featuring a soft rubberized barrel for comfort and control, a rear-release mechanism for easy and safe blade changing, and an anti-roll design to prevent slipping. This cutting and...
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  • HB Snap-Off 25mm Steel Blades - Pack HB Snap-Off 25mm Steel Blades - Pack

    HB Snap-Off 25mm Steel Blades - Pack

    Olfa
    $8.80

    (1)

    Made of high-quality carbon tool steel with a double-honed blade for unparalleled sharpness and superior edge retention. Features: 7-segment, 25mm snap-off blade for industrial materials. Exact 59° edge angle optimizes cutting power and...
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  • Heavy Duty Craft Blades - 5/pk Heavy Duty Craft Blades - 5/pk

    Heavy Duty Craft Blades - 5/pk

    Excel
    $3.10
    This set includes 5 high-quality heavy-duty blades: a Straight Edge Blade (#2), Sharp Edge Angled Blade (#19), Curved Edge Blade (#22), and two Deburring Blades (#24). These versatile blades are perfect for wood carving, leather cutting, paper, cork,...
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  • Heavy-Duty Locking Snap-Off Blade Knife

    Heavy-Duty Locking Snap-Off Blade Knife

    Art Alternatives
    $4.10
    No more dull blades - simple snap the end off to reveal a good-as-new knife This heavy-weight locking snap-off knife is suitable for cutting boards, textiles, wire, some metals, leather, plastic, rubber, vinyl, rope and more. Safe and easy to use, this...
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  • k1 Light-Duty Hobby Knife k1 Light-Duty Hobby Knife

    k1 Light-Duty Hobby Knife

    Excel
    $3.10 - $4.95
    For Home, Art, Hobby, and Industrial use.  Excel Blades' best selling paper cutter!Features: K1 Knife comes replaceable super sharp #11 blades Snug fitting safety capPrecision knife with special screw for extra blade security and...
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  • k18 Grip-On Knife with Safety Cap k18 Grip-On Knife with Safety Cap

    k18 Grip-On Knife with Safety Cap

    Excel
    $5.50
    The Excel Blades K18 Cushion Grip Knife features a #11 double-honed blade for precision cutting. Its hex-shaped screw prevents rolling, ensuring stability during use. The four-jaw chuck securely holds the blade in place. Available in a variety of colors,...
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  • k2 Medium Duty Knife k2 Medium Duty Knife

    k2 Medium Duty Knife

    Excel
    $4.10
    The Excel Blades K2 Medium Duty Aluminum knife excels at cutting paper, film, stencils, wood, cloth, leather, and more! It features a super sharp #24 deburring blade, a 4-jaw aluminum chuck for blade stability, and a shatterproof safety cap. Made in the...
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  • k26 Fit Grip Knife k26 Fit Grip Knife

    k26 Fit Grip Knife

    Excel
    $7.00
    The K26 Fit Grip Knife offers a comfortable soft-grip handle with replaceable #11 double-hones blades, safety cap and 4 jaw machined chuck.Features: A part of Excel Blades Neon Collection.Excel Blades K26 Fit Grip Knife is a soft grip, craft...
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    $7.00
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  • k5 Plastic Heavy-Duty Knife k5 Plastic Heavy-Duty Knife

    k5 Plastic Heavy-Duty Knife

    Excel
    $5.00
    The Excel Blades K5 Plastic Heavy Duty Knife comes with a super sharp #19 blade and a shatter-resistant safety cap. It features a hexagonal plastic handle to prevent rolling and a 4-jaw aluminum chuck for secure blade positioning. This versatile knife...
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    $5.00
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  • k850 Heavy-Duty Plastic Snap Blade Knife k850 Heavy-Duty Plastic Snap Blade Knife

    k850 Heavy-Duty Plastic Snap Blade Knife

    Excel
    $3.90
    Excel Blades K850 Plastic Body Snap Blade Knife is designed with a metal reinforced blade support for extra stability, #7 8-point snap blade (18mm) and a position lock for your safety. This economical knife works great for almost any heavy-duty task or...
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Hobby Knives for Model Making & Detail Work

Hobby knives are widely used for architectural models, scale construction, foam board trimming, chipboard cutting, basswood assembly, and detail shaping because they allow for cleaner cuts and more precise control during model construction. Fine point hobby knives are especially useful for dimensional layouts, miniature structures, and precision trimming applications.

This category includes hobby knives, replacement blades, snap-off knives, utility knives, carving blades, chisel blades, and specialty cutting blades designed for detailed model making and workshop-style construction workflows.

  • Hobby Knives: Precision cutting knives used for foam board, chipboard, basswood, styrene, paper, plastics, and detailed model trimming
  • Replacement Blades: Fine point, straight edge, curved, angled, and specialty blades designed for precision cutting and detail work
  • Snap-Off & Utility Knives: Heavier-duty cutting tools useful for foam board, thick materials, repetitive trimming, and dimensional construction work
  • Specialty Blades: Chisel blades, carving blades, swivel blades, and detail blades used for shaping, contouring, scoring, and precision cuts
  • Precision Model Construction: Useful for architectural models, terrain layouts, structural assemblies, hobby projects, and detailed dimensional work

Replacement Blades for Hobby Knives

Replacement blades allow model builders to maintain cleaner cuts and more accurate detail work during repeated trimming and assembly tasks. Different blade styles may be selected depending on the material being cut and the level of detail required for the project.

Fine point blades are commonly used for precision trimming and detail cuts, while chisel and angled blades may be preferred for shaping, carving, scoring, and contour work during model construction.

Hobby Knives for Foam Board, Basswood & Chipboard

Hobby knives and specialty blades are commonly used for cutting foam board, basswood strips, chipboard, styrene, thin plastics, paper, and lightweight model materials. Precision cutting tools help improve edge quality, material fit, and assembly accuracy during architectural model making and scale construction workflows.

Utility knives and snap-off knives may also be useful for heavier cutting tasks, repetitive trimming applications, and larger material sections used during dimensional model assembly.

Choosing the Right Hobby Knife & Blade

When selecting hobby knives and blades for model making, consider the material type, cutting precision, blade style, handle comfort, and intended construction workflow. Fine detail projects may benefit from precision hobby knives and fine point blades, while larger foam board and chipboard projects may require utility knives or snap-off blade systems.

Different blade profiles can support trimming, carving, shaping, scoring, contour cutting, and repetitive assembly work depending on the complexity of the model and the materials being used.

Complete Your Model Making Workspace

Pair hobby knives and blades with cutting mats, foam cutters, basswood strips, chipboard, adhesives, and model making supplies for architectural model construction and dimensional design workflows.

Shop Cutting Mats | Shop Foam Cutters | Shop Wood Sheets & Strips | Shop Chipboard & Cardboard | Shop Glues & Adhesives