3M Synthetic Steel Wool Pads can be used with waxes or oils to buff shellac, lacquer and varnished surfaces. Use it also to clean delicate surfaces and precision tools. Can be used to clean glass, dishware and PTFE coated surfaces may scratch plastic. 3M Synthetic Wool Pads will not shred, splinter or rust like steel wool does. Rinse and reuse.3M Synthetic Steel Wool Pads can be used with waxes or oils to buff shellac, lacquer and varnished surfaces. Use it also to clean delicate surfaces and precision tools. Can be used to clean glass, dishware and PTFE coated surfaces may scratch plastic. 3M Synthetic Wool Pads will not shred, splinter or rust like steel wool does. Rinse and reuse.