3M Sponge Sanding Pad - Super Fine to refine metal clay greenware and finish all metals. 3M Sponge sanding pads are long lasting
These pads work especially well for shaping unfired dry metal clay. They are very good for smoothing flat surfaces and rounding corners.
3M™ Softback Sanding Sponge in Super Fine, 500 - 600, grit.