Features: Package contains: 1Piece Metal Geometry Compass, 1Piece 30°/60° Set Square, 1Piece 45° Set Square, 1Piece Straight Ruler, 1Piece 180 Degree Math Protractor, 1 Box of 0.7mm Pencil Refills, 1Piece Eraser, 1Piece Storage Case. Crafted with pp and metal, easy measurement. Each square ruler and math protractor with clearly scale The storage case for protect and store geometry tool in backpacks, school bag, book bag. The metal compass can draw up to 9.05inches (23cm) in diameter. The geometry compass with sharply part should be used carefully and placed so that it does not come into contact with child. Great for math, geometry, art, drafting, woodworking, and drawing. Easy to take to math class and store in the classroom. Professional mathematical geometry tool set, suitable for architects, engineers, artists, designers, students, teacher. Specifications: Color: Blue; Green; Purpler Component: Metal; PP Package Size: Approximately. 22x7.6cm/7.87x2.99in Weight: Approximately. 105g Package Includes: 1Piece Metal Geometry Compass 1Piece 30°/60° Set Square 1Piece 45° Set Square 1Piece Straight Ruler 1Piece 180 Degree Math Protractor 1 Box of 0.7mm Pencil Refills 1Piece Eraser 1Piece Storage Case 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