EBayWeewooday 50 Pcs Chainsaw Sharpener Bits with Box Chainsaw Sharpening Bits File Burr Grinding Stone File Polishing Grinding Tool for Chain Saw Stone Jewelry Wood, 3/16 Inch/ 4.8 Mm Product Details Package Dimensions: 8.27 X 4.61 X 0.75 Inches Item Weight: 4.6 Ounces Manufacturer: Weewooday Size detail: each of the pink grinding head is about 3/16 inch/ 4.8 Mm in diameter, 7/8 inch/ 23 mm in length, and the shank part measures about 1/8 inch/ 2.8 Mm in diameter, total length is approx. 1-6/8 Inch/ 47 mm Solid material: burr grinding stone file is made of grinding stone with good hardness, suitable for metal polishing, especially for steel parts after heat treatment, durable and not easy to get broken Easy to operate: the grinding bits for chainsaw sharpener are easy to install and features good heat-dissipation, you can apply it to polish without disassembling the chain, which saves time and effort for you, effectively improving work efficiency Applicable occasions: these polishing grinding tools are widely applied for machinery, bearing, mold, casting parts deep hole, different internal surface, welding spot, welding seam grinding and burr grinding Package content: comes with 50 pieces burr grinding stone files and 1 piece storage box, convenient to carry and store, enough for you to apply in daily life and meet your replacement needs 50 Pieces burr grinding stone file with plastic storage box, polishing grinding tool grinding bits for chainsaw sharpener, 3/16 inch/ 4.8 Mm Features: Simple to operate: The grinding bits for chainsaw sharpener is easy to install and features good heat-dissipation, you can apply it to polish without disassembling the chain, which can improve work efficiency. Wide applications: Mainly applied for machinery, bearing, mold, casting parts deep hole, different internal surface, welding spot, welding seam grinding and burr grinding. Specifications: Material: grinding stone Size: Grinding head diameter: approx. 3/16 Inch/ 4.8 Mm in diameter Grinding head length: approx. 7/8 Inch/ 23 mm Shank diameter: approx. 1/8 Inch/ 2.8 Mm total length is approx. 1- 6/8 Inch/ 47 mm Color: pink Package includes: 50 x Burr grinding stone file 1 x Storage box Note: Please keep away from kids. Please allow slight errors on size due to manual measurement.