These Carbide Burrs for Hand Crank Only Compatible with Chainsaw Chain Sharpening Jig. Emery has the advantages of high hardness, wear resistance, strong toughness, corrosion resistance, etc. It has good grinding effect, fine and uniform, fine carving, hard and not easy to wear, reusable and . High-precision with suitable negative forefoot design, taking into account the strength and sharpness of the . At the same time, the large core diameter is used to enhance the rigidity of the tool and make the cutting and chip removal stable. Available in 3 different sizes for Chainsaws (5/32inch/4.0mm), Small Chainsaws (3/16inch/4.8mm) and Large Chainsaws (7/32inch/5.5mm), additionally includes 12pcs nuts, which can meet your . It can be used on many fields, such as metal processing, CNC machining and engineering using. Large chip flute design for smoother chip removal, making the workpiece smoother and brighter. Colour:silver Material:metal Package Contents: 1 set x Chainsaw Sharpening Stone