Mathematical set, school geometry set, fit for school use Mathematical set:total 10pcs in a tin box, 2pcsmetal compasses, 1pc eraser,1 short pencil,1pencil sharpener, 1pc 15cmruler,1pc 45-45-90 triangleruler,1pc 30-60-90 triangleruler,1pc of 180protactor,1pc cloth, Mathematical set