Teaching tools&Teacher protractor Description: 1) size:180 degree with 50cm longbase length, 7mm thick with a removable handle 2) Material: Plastic 3) Packing: 50pcs/ctn 4) Carton dimentions: 58.5x51.5x23cm 5) N.W: 15kg G.W: 16kg 6) Minimum order quantity: 5,000pcs