Purchased from Off Corporation. Diamond Dresser T-1576 This tool is used to correct the deformation of worn grinding wheel stones. It's a necessary tool for those who sharpen woodturning lathe tools with a grinder. Total length: 115mm Grip diameter: 13mm Grinding stone size: 47x13x14 Since it has been used, it is offered at a special price. [Reference] Sold at Off Corporation for 1,320 yen (tax included). Will sell including shipping. #WoodturningLathe #ToolBit #Sharpening #GrindingStone