Product information:
Color: silver white, black, variegated
Material: Copper
Specifications: 0# Length 25MM pulling force 8KG,1# Length 30MM pulling force 14KG,2# Length 35MM pulling force 22KG,3# Length 40MM pulling force 35KG,4# Length 48MM pulling force 45KG,5# Length 52MM pulling force 70KG,6# Length 66MM pulling force 90KG,7# Length 74MM pulling force 90KG,8# Length 85MM pulling force 50KG,9# Length 95MM pulling force 120KG,10# Length 109MM tension 120KG