These Carbide Burrs are designed for hand crank use only and are compatible with chainsaw chain sharpening jigs. The product offers high hardness, wear resistance, strong toughness, and corrosion resistance. It provides a fine and uniform grinding effect, suitable for detailed carving. The burrs are durable, reusable, and hard-wearing.The high-precision design includes a suitable negative forefoot, balancing strength and performance. The core diameter enhances tool rigidity, ensuring stable cutting and chip removal.Available in 3 different sizes: for Chainsaws (5/32 inch / 4.0mm), Small Chainsaws (3/16 inch / 4.8mm), and Chainsaws (7/32 inch / 5.5mm). The set also includes 12 nuts to meet your needs.This tool can be used in various fields such as metal processing, CNC machining, and engineering applications. The chip flute design allows for smoother chip removal, resulting in a smoother and brighter finish on the workpiece.Color: Silver Material: Metal Package Contents: 1 set x Chainsaw Sharpening Stone Only the above package content is included; other products are not part of the package.Note: Light reflection and different displays may cause slight color differences. Measurement may vary by +/- 1-3cm.