Features: and high quality . Using for hand making a drawer or other woodworking. Industrial quality router bits . Solid hardened steel bodies with anti design. -up & heat resistant coating. Hook & Shear Angles: High hook & shear angles allow to slice smoothly into producing clean, splinter free. Specifications: : Totally enclosed & lubricated. Item: 6.35mm Router Bit Carbide tip: YG6X Balance: +/- .003 inch tolerance Body: Solid Hardened Steel Blade: Industrial grade -grain carbide Cutter: CNC ground to a 600 grit, mirror-like finish Detaild specification, pls check following photos. Notice : Woodworking milling cutter handle parts are: 3mm, 6mm, 1/4 inch (6.35mm), 8mm, 12mm, 1/2 inch (12.7mm) The , Britain, and other European and American countries mainly use 1/4 handle and 1/2 handle; Russia, Ukraine, , , , Pakistan, and other countries mainly use 6mm, 8mm and 12mm handles; Material: Steel colour: Blue+Silver Package Contents: 1 set x 6.35mm Router Bit (4 Pcs) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.