Diamond Chainsaw Sharpener Grinding Rod Mill Rotary Tool. Features: 1.Alloy Electroplated Diamond Grinding Rod Mill. 2.Fine Workmanship, Easy Sanding, Durable. 3.Mainly Used for Grinding, Mold Processing and Repair, Stone Carving Child, Carved, Line Cutting, Grinding, Engraving, Jade Carving, Glass Engraving, Cleaning Casting, Forging, Welding Pieces of Flash, Burrs, Weld. Teeth Grinding. Various Mechanical Parts Chamfering and Groove Processing. Pipe Cleaning, the Hole and Surface Finishing Parts. 4.Can Be Installed for Use on Electric Grinder, Engraving Hine, Pneumatic Engraving Pen. Specifications: Material: Diamond Color: Silver Total Length: Approx.45mm/1.77inch; Grinding Diameter: 3/4/5mm(0.11/0.16/0.19inch) Shank Diameter: Approx. 3mm/0.11inch Length of Grinding: Approx.10mm/0.39inch Occasion: Good for Craftsman Black and Decker or Other Rotary Tool Quantity: 5PC Package Include: 5PC Diamond Drills. We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.