1. fe clip-on wheel weights 2. material: fe 3. size available: from 5g to 60g 4. surface treatment: anti-corrosion plastic coating 5. special designed slot on weight to keep weight against wheel rim tightly & strong riveted clip to guarantee weight safety application. 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.