ITEM NAME:8mm Shank 7/8'' Router Bits Half Round Router Woodworking Cutter Description: 8mm Shank router bit woodworking tool, side finger nail type bit router bit arch type Industrial quality micro-grain tungsten car.Cutter Length: 20mm. Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole. Sharp edge, high hardness, accurate positioning, high precision, smooth cutting, Impact resistance, high hardness.