Four-piece set contains the most popular mathematical instruments: 12" ruler, 180° protractor, 60° set square and 45° set square. Tinted plastic provides excellent visibility and is ideal for students of higher math, drafting and engineering. Protractors and squares feature beveled center openings for easy sliding and pickup. Color(s): Transparent Smoke; Material(s): Plastic; Ruler Type: Standard; Standard Scale: 1/16".

Combines the most popular tools needed for students in math class. Includes 6" protractor with sliding pointer, 12" shatter-resistant fold-up ruler, easy-grip plastic compass with pencil and battery operated calculator with 8-digit LCD screen. Kit contains one color only. Color(s): Assorted; Material(s): Plastic; Ruler Type: Standard/Metric; Standard Scale: 1/16".

Everything needed for higher-math classesthis precision instrument set is ideal for serious high-school and college students. Includes a standard/metric ruler, a 180° protractor, a 60° set square, a 45° set square, a safety-point scribe compass, a set of loose-leg wing dividers, a woodcase pencil, a pencil sharpener, a block eraser and a lettering guide. Handy metal storage case features imprinted conversion tables and geometric theorems. Color(s): Clear/Blue; Material(s): Plastic; Ruler Type: Standard/Metric; Standard Scale: 1/16".