The MF-454 India Silversmith's Stone is Oil-Filled, Medium Grit. It is flat and tapered like a wedge 1/2" to 3/16" with rounded sides and point. Silversmith's Stones are specifically manufactured for mechanics and silversmiths. These stones offer a variety of precision-tapered shapes ideal for touching-up instruments, lapping for close tolerances, and cleaning tools and dies.
