BuckandBeel Stone This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Honing Sharpening stone made to dimensions as attached with the exception of a V-shaped groove on side opposite of U- shaped groove. Made of composite arkansas stone whitish- gray in color. Sample of material may be provided upon request. Part Part Number: new product Material: Composite Material Grade: composite arkansas stone Technical Specifications Category:Honing Dimensions60.0 x 12.5 x 6.2 inch Tolerance:0.1Annual Usage:2000000.0 Are you looking for suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) to provide manufacturing services for machine tool industry, automotive industry? For more information visit MFG.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your online quoting experience Honing: Honing is a finishing operation performed on the inside of cylindrical shapes. Abrasive stones, sticks or brushes are arranged in a triangular shaped tool and fitted to the inside or bore of a cylinder. Honing is used for very slightly altering the surface, as in tightening dimensional tolerance, rather than removing material to substantially change the dimension.