*Special Tungsten Carbide material
*Polished to a smooth finish
*Hardened to be much stronger than that of steel
*High wear resistance
*Exact roundness and precision
*Fit most 2WD buggy ball diffs with 3/32" balls, including Team Associated, Yokomo, Kyosho, TLR, Xray, etc.
*Cars, parts, accessories & others are not included.*