Sparco Professional Protractor, SPR01490, 6"L, Clear, Plastic

12" triangular scale in Staedtler's professional series is ideal for engineers. Color-coded grooves in the high-impact polystyrene plastic ensure quick and accurate selection of the desired scale. Three sides with six different scales feature die-engraved graduations. Engineer triangular scale is fully divided: 10, 20, 30, 40, 50, 60 parts to the inch. Easy-to-read printed graduations will not rub off.

Westcott® Ball bearing compass, nickel plated, easy grip top for firm control, adjusts to draw circles up to 13" in diameter, includes pencil. Nickel plated ball bearing compass.

Advanced student compass includes center wheel that adjusts quickly and easily. Design features resilient sand-blasted and nickel-plated metal parts, nonslip grooved grip and hinged lead and needle legs. Leg extensions are plastic. Compass is equipped with a high-quality metal universal metal adapter for easy circle-drawing with all writing instruments. Maximum circle draw is 10-1/4" (26cm). Compass includes spare lead tube with extra 2mm lead.

The Soft Touch Compass handle contain an antimicrobial agent to help inhibit the growth of bacterial stains and odors. Compass has a retractable point for safety and an easy grip top. Assorted color combinations are: Blue/White, Green/White, Pink/White or Gray.