Modname ckeditor =Specification: Material: Grinding Stone Shape: Plain Cylindrical Overall Length (Approx.): 45mm Shank Diameter (Approx.): 2.8mm Grinding Head Length (Approx.): 24mm Grinding Head Diameter (Approx.): 4.8mm(3/16")This grinding stone has high hardness and is suitable for polishing metal, especially for heat treated steel parts, excellent tool for sharpening chainsaw Package:5 x Stone GrindingN Note: Please allow slight error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Payment1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.