Staedtler Architectural Triangular Scale, 98718-31BK, 12"L, White, Polystyrene

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 scales are ideal for engineers and engineering students. Three sides with six different scales feature die-engraved graduations. Easy-to-read, printed graduations will not rub off. Engineer triangular scales are fully divided: 10, 20, 30, 40, 50, 60 parts to the inch. Scales are made of high-impact polystyrene plastic.

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 2600ADAKIT is easy to install on any existing white 2600/2610 series scale, making it an ideal choice for doctor's offices, hospitals, clinics, and acute or long-term care facilities wanting to comply with the latest MDE standards. The kit includes critical features that meet ADA safety requirements such as new ramps, new feet, and platform and ramp edge guards with anti-slip caution tape on ramps to provide enhanced safety. Following Americans with Disabilities Act (ADA) compliance, the dual ramps adhere to a 1:8 slope ratio and feature a 2" edge protection to prevent roll-offs.