Everything needed for higher-math classes—this 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".