This product is used for slotted, wood screw holes. Woodworking cutter designed for portable and desktop woodworking engraving machine design, can not be used in electric drill, drilling machine and the like. Tool can be hardwood, cork, wood and other synthetic wood processing workers smooth surface, but to avoid the processing of copper, iron and other metal materials and sand, stone and other non-wood materials. Wide Usage,made of quality high, with trait of high toughness, extremely wear resistance, high speed cutting, high hardness, abrasion resistance, improve work efficiency and long service life. Name:Extra Long Straight Router Bit Use:Woodworking Tools diameter: 8mm Length: 113mm Material:Hard alloy colour:yellow Package Contents: 1 * Straight Router Bit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.