Alvin Drafting Protractors, Professional Semicircular Protractors, Round Protractors, Aluminum Protractors, Stainless Steel Drawing Protractors
Alvin protractors are constructed of heavy-duty 0.090" transparent laminated PVC plastic with a beveled outer edge for accurate drawing. Each protractor features a center cut-out for convenient finger lift and accurate die-stamped graduations. Available in round, half-round plastic.
General's drafting/drawing protractors are used for setting bevels, measuring, and transferring angles. Durable stainless steel construction. Alvin and General professional drafting protractors.
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