Features: This cutter is made from cemented carbide for high hardness and long service life. It has a 8mm round straight shank and a 3/8inch sharp cutting edge. Sharp cutting edge would improve working efficiency and product quality. Usually use on electric trimmers or engraving machines for wood slotting. It can be used for slotting a wide range of materials including density board, solid wood, MDF, chipboard, plywood, etc. Specifications: Material: Cemented carbide Length: 43mm(1.69") Shank Diameter: 8mm(0.31") Cutting Edge: 9.52mm(3/8") Package Includes: 1 x Slot Cutter Package List 1This cutter is made from cemented carbide for high hardness and long service life 2It has a 8mm round straight shank and a 3/8inch sharp cutting edge 3Sharp cutting edge would improve working efficiency and product quality 4Usually use on electric trimmers or engraving machines for wood slotting 5It can be used for slotting a wide range of materials including density board, solid wood, MDF, chipboard, plywood, etc