Thor 310C Copper Replacement Face Size 1 (32mm) THO310C Thor cylindrical copper faces are manufactured from 99.9% pure extruded electrolytic copper rod. These copper faces when fitted into a malleable iron head prevent damage to expensive machined sub components and assemblies.These Thor copper face heads are ideal where a heavy blow is required combined with a relatively small striking area. The faces are designed to wear and can be easily replaced.Size: 1.Diameter: 32mm (1 1/4 in) THO310C