A 1/4 In Shank Carbide End Mill Router Bit For Wood Carving, Engraving, ?SIZE DESCRIPTION:Compression Solid carbide Spiral router bit with 1/4 inch shank and 1/8 inch cutting diameter, 3/4 inch cutting length, 2-1/2 inch for total length ?WIDELY USED:The solid carbide spiral Router bits are suitable for CNC routers and table routers as well as any brand of routers with 1/4" collets. For cutting plywood, OAK, MDF, and any hardwood working and keep sharp after multiple uses. ?COMPRESSION ROUTER BIT:This bit cut both top and bottom cleanly, Its spiral action pulls both sides into the center of the bit where it ejects out of the side. ?GRADE ROLLING:FivePears' solid carbide spiral Router bits are graded professional grade, industrial grade quality control to ensure the best performance, 91% ultrafine tungsten carbide particles and 9% cobalt content design make the bit more wear-resistant, the same grade for high quality. ?BRAND ASSURANCE:Fivepears is committed to providing consumers with the absolute best price and value on our entire line of products.We provide 100% satisfaction service, if you have any questions, please kindly feel free to contact us.