Micro Drill Bits
Gold Diamond Coated Cylindrical Burr 4-5.5mm Chainsaw Sharpener Stone File Chain Saw Sharpening Carving Grinding Power Tools Kit
Selection of grinding head size reference:
4.0MM: suitable for small chainsaw chains (3/8) {22 knives 45 knots 29 knives 59 knots or less}
4.8MM: suitable for small chainsaw chains for 325 {larger than 3/8 chain}
5.5MM: suitable for large chainsaw chains (for 404 chains) {32 knives and 64 knots}