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Universal Compass Adaptor
Pacific Arc$1.80Universal Adaptor fits all size compasses and accepts almost any writing instrument. 3.4mm OR 4.0mm shaft -
Deluxe Adjustable Parallel Edge Boards
Martin Universal$174.00 - $246.60The Martin Deluxe Adjustable Parallel Straight Edge Board stands alone as the premier item in its class and in the industry! This lightweight and portable board features a nonporous white melamine... -
Plastic Clamp/Pully Assembly
Martin Universal$12.95Plastic Clamp/Pully Assembly for Top-Mounted Parallel Bars (Martin Universal, Alvin, Mayline, Pacific ARC)Fits most top-mounted parallel bars (Parallel bar wire is along the top edge of the board).**...
Description
An adaptor for accurate mounting of all writing and drawing instruments to a compass.
