ITEM NAME:2pcs Woodworking Router Bit Collet Chuck Driver Adaptor Power Tools 10 & 8mm Description: - Adopt high quality car.Suitable for engraving machine, applicable to different specifications of the bit tool and chuck. - 8mm to 12.7mm - High precise clamping force, good grip stability. Due to the different monitor and light effect, the actual color may be slightly different from the picture color.