Features: These cutters are made from cemented carbide for high hardness and long service life. Yellow heat resistant coating prevents build-up of sawdust and resin. Sharp cutting edge would improve working efficiency and product quality. Usually use on wood routers or engraving machines for wood slotting. It can be used for slotting a wide range of materials including solid wood, MDF, chipboard, plywood, etc. Specifications: Material: Cemented carbide Shank: 1/2"(12.7mm) Cutting Edge Length: 2"(50.8mm) Cutting Edge Diameter: 1/2"(12.7mm) Total Length: 4''(101.6mm) Package Includes: 1 x Slot Cutter Package List 1These cutters are made from cemented carbide for high hardness and long service life 2Yellow heat resistant coating prevents build-up of sawdust and resin 3Sharp cutting edge would improve working efficiency and product quality 4Usually use on wood routers or engraving machines for wood slotting 5It can be used for slotting a wide range of materials including solid wood, MDF, chipboard, plywood, etc