This kit offers ultimate precision and safety with innovative drawing instruments made from shatter-resistant, View Thru ™, SAFE-T ® Plastic. Kit includes our mmArc ® Compass, which enables students to safely draw 10mm to 100mm radius circles in 1mm increments, plus a 4 " SAFE-T ® Protractor with bifurcated scales, a 6 "/15 cm SAFE-T ® Ruler, 45 ° and 60 ° SAFE-T ® Triangles with alignment slots and angle templates, a pencil, eraser and pencil sharpener. Set of 8 stores in a 7.25 " X 3 " plastic case.