Features: Multifunctional Math Geometry Tool Set for School & Office Use. Coming with straight ruler, 180 degree math protractors, 30°/60° set square, and 45° set square, in light weight plastic with rounded edges for safe handling. Features integrated measurement tool with scratch resistant surfaces and ergonomic rounded corners, crafted from light weight plastic that meets international safety standard. Ideal for students completing geometry homework, teachers organizing classroom supplies, and office professional handling technical drawing or craft project. Essential school geometry tool for classroom math lessons, home study, workplace presentation, and mathematical drafting project requiring precisely measurement. 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. Specifications: Color: Blue, Green Component: Plastic Package Size: Approx. 21x7.6cm/8.26x2.99in Weight: Approx. 100g Package Includes: 1Piece 30°/60° Set Square 1Piece 45° Set Square 1Piece Straight Ruler 1Piece 180 Degree Math Protractor note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color