Silicon Carbide Round Edge Slip Stone 4 1/2" x 1 3/4" x 3/8"-1/8" Grit:Medium The Norton Crystolon (Silicon Carbide)

The Norton Crystolon (Silicon Carbide) Slip Stones are available in medium and fine grits

And a Hard Black or Hard Translucent Arkansas will leave a very refined edge that is approaching mirror fine

Medium - European Size 7 - Approximately 7

The stones are large enough for just about any tool

If you are most concerned about decreasing sharpening time

Silicon Carbide Round Edge Slip Stone 4 1/2" x 1 3/4" x 3/8"-1/8" Grit:Medium The Norton Crystolon (Silicon Carbide)Silicon 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 1 3 4" x 3 8" 1 8" Rectangle tapering in thickness across its width, with rounded long