1. zn clip-on wheel weights 2. material: zn, zinc 3.in comformity with europe regulation on hazardous metal such as lead,cadium 4. size available: from 5g to 60g 5. surface treatment: anti-corrosion plastic coating 6. used for passenger car & light truck steel wheels and alloy wheels *. we can supply zn, fe, and lead wheel weights in both clip-on and stick-on adhesive types.