Geometrical Products

Math Set contains 10 items conveniently packed in a metal box for storage. It includes 6" ruler (Imperial and metric), 4" 45-degree triangle, 4" 60-degree triangle, 4" 180-degree protractor, lettering guide, 4" compass, 4" dividers, wooden pencil, sharpener and an eraser. Set includes all a student or hobbyist needs to perform geometry equations and craft projects including creating mandalas. Lettering guide helps create easy subject headings.

All-metal spring-bow compass feature a center wheel that delivers precision setting and prevents unintended setting adjustments. Maximum circle diameter is 10-3/8" (265mm). Design features interchangeable lead part and a nickel finish to resist rust and stains. Compass includes a spare lead tube and comes in a plastic wallet.

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.