The Norton KS 100 is a Silicon Carbide Single Grit Benchstone with premium silicon carbide abrasive that delivers fast stock removal for quick edge shaping with minimal loading.
Sharpening Combination Stone IB8 oil stones are a very popular man-made choice favored for imparting durable, smooth-cutting edges on household tools. When compared with the Arkansas stones, Aluminum Oxide India Stones are coarser and can be used in conjunction with Arkansas Stones to cover all grit levels from ultra-fine to coarse.
The grading system for these stones is labeled fine, medium, and coarse and all grits are orange/brown in colour.
Aluminum oxide stones are used for finishing off hardened steel.
The Norton Sharpening Combination Stone IB8 is a 2 sided stone: one coarse grit and one fine grit