1、This cutter is made from cemented carbide for high hardness and long service life. 2、Heat resistant coating prevents build-up of sawdust, resin and pitch. 3、The sharp cutting edge would improve working efficiency and product quality. 4、Usually use on electric trimmers or engraving machines for wood slotting. 5、They can be used for slotting pine wood, thin wood boards and other soft wood materials. Features: 1. This cutter is made from cemented carbide for high hardness and long service life. 2. Heat resistant coating prevents build-up of sawdust, resin and pitch. 3. The sharp cutting edge would improve working efficiency and product quality. 4. Usually use on electric trimmers or engraving machines for wood slotting. 5. They can be used for slotting pine wood, thin wood boards and other soft wood materials. Specification: Name: Straight edge T-Slot Router Bit Usage: for hardwood, cork, synthetic wood processing Application: woodworking engraving machine Material: Cemented carbide Color Cutter head diameter （mm / in） Full length（mm / in） Shank（mm / in） Yellow 27 / 1.06 53 / 2.09 6.35 / 0.25 Blue 35 / 1.38 55 / 2.17 6.35 / 0.25 Package list: 1 * Router Bit