Everything needed for higher-math classesthis precision instrument set is ideal for serious high-school and college students. Includes a standard/metric ruler, 180 protractor, 60 set square, 45 set square, safety-point scribe compass, loose-leg wing divider, woodcase pencil, pencil sharpener, block eraser and lettering guide. Handy metal storage case features imprinted conversion tables and geometric theorems.
