Wheel balance weights Product - wheel weights .Material-zn, fe.Zn is the no.1 zn according to international standard 4-1. Structure - dia-casting stick-on/clip-on.Product type - 5-60g, 5/10g * 4, 5g*12 and so on.Testing equipment - standard Quality system -iso9001:2000. According to weight from 5g-60g. Unit size (hook-on) normally is : 310x215x190 mm