Features: Using for hand making a drawer or other woodworking. Industrial quality router bits . Solid hardened steel bodies with anti design. Build-up & heat resistant coating. to slice smoothly into stock producing clean, splinter free. Specifications: Item: 8 Router Bit Carbide tip: YG6X Balance: +/- .003Inch tolerance Bearing: Totally enclosed & lubricated Hook & Shear Angles: High hook & shear angles allow size: 2.8-3.5mm x 8mm Material: steel colour: silver Package Contents: 4 x Woodworking Router Bit(with wrench screws) 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.