12Pcs Sharpener Bits Grinding Bits Burr 4mm

Description: Made of quality Steel, effective grinding effect, fine and even, durable in use. It can be applied to the polishing agent without removing the chain, thereby improving work efficiency. Use with electric handheld grinder to easily sharpen your saw chain. Especially designed for sharpening chain saw teeth. Also wide application for metal polishing like chainsaw, jade, wood, mold, steel, etc. Specification: Material: Steel Size Chart: 4mm:Length: 41mm/1.61 inch 4.8mm: Length: 45mm/1.77 inch 5.5mm: Length: 45mm/1.77 inch Package Includes: 12x Sharpener Bits Note: 1.Please allow slightly error due to manual measurement. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Wish you a wonderful on-line shopping!