150mm (6") Belgian Multiform Sharpening Slipstone. The image shows this stone compared to the 4" version. On one edge the radius changes from about 12mm to 2mm over its length. The opposite edge is tapered at an angle of about 52° making it ideal for sharpening the inside of parting tools. The design allows the sharpening of a wide variety of tools from flat and wide to small narrow gouges and vee tools.
*** This product is discontinued ***