Essential school geometry tool for classroom math lessons, home study, workplace presentation, and mathematical drafting project requiring precisely measurement Multifunctional Math Geometry Tool Set for School & Office Use. Coming with 2Pcs straight ruler, 2Pcs 180 degree math protractors, 1pc 30°/60° set square, and 1pc 45° set square, in light weight with rounded edges for safe handling Features integrated measurement tool with scratch resistant surfaces and ergonomic rounded corners, crafted from light weight that meets international standard Ideal for students completing geometry homework, teachers organizing classroom supplies, and office professional handling technical drawing or craft project This eye catching ruler set transforms ordinary drawing ruler measuring tool into multifunctional math geometry tool with its practical functionality and playful designs suitable for student, children and adult, Manufacturer: Rxgiasup