Ball Bearing Compass - Pkg Qty 84

Professional protractor features an open center and accurate 6" ruler across the base. Sharply defined raised graduations are black-bonded in crystal-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.

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.