Shank diameter: 6mm diameter: 6mm length: 32mm Total length: 60mm Application:Engraving and cutting fine, Acrylic, PVC, Nylon, Resin, Wood, Plywood, Safety instructions: 1. The bladed product is not use for people under 18 years. 2. The item is only use for industrial cutting not hazardous article. colour:Silver Material:metal Package Contents: 5 * 2 Flutes Straight router bits 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.