ITEM NAME:Water-stone Whet-stone Diamond Sharpening Block Stone Adjustable Holder Description: Rubber body keeps stones from sliding during honing Adjusts from 5-1/2-inch to 9-inch to accommodate a wide range of stone sizes Works great with diamond and oilstones Zinc plated steel parts resist rust when used with waterstones Features non-marring grip Specification: Material: silicone + stainless steel Color: Black Size: Approx. 290x70x30mm/11.42x2.76x1.18inch Package Includes: 1 piece Sharpening Stone Holder SKU: DMO0001352460025971.1 piece Sharpening Stone Holder. Works great with diamond and oilstones. Material: silicone + stainless steel. Color: Black. Features non-marring grip. Zinc plated steel parts resist rust when used with waterstones.