Silicon Carbide Round Edge Slip Stone 4 1/2" x 2 1/8" x 5/8"-5/16" Made in the USA This is the replacement base

This is the replacement base found on the Tormek T7

They call it Magnesia Bonding in comparison to their Resin bonding on the Naniwa Advance Superstone series

Case with Foam Insert

Fast Cutting and Hard Wearing These are well balanced stones

the coarser the grit

Silicon Carbide Round Edge Slip Stone 4 1/2" x 2 1/8" x 5/8"-5/16" Made in the USA This is the replacement baseSilicon Carbide Slips Silicon carbide file are ideal for fast material removal. Their abrasive nature makes them perfect for quickly sharpening carving gouges, curved knives, beading planes and molding knives. Silicon carbide stones are relatively fast cutting compared to aluminum oxide files, and are often employed when speed is important. Dimensions 4 1 2" x 2 1 8" x 5 8" 5 16" Rectangle tapering in thickness across its width, with rounded long