ITEM NAME:2xDurable Carbide Brad Point Boring Bits Carbide Tenon Cutter Woodworking Tool Description: Hardened and tempered, carbon steel construction Use on automatic and manual muti-spindle boring machines High hardness, accurate positioning, high precision,smooth cutting,impact Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods Suitable for all types of wood processing, furniture cabinet installation, plastic drilling and processing Specification: Material: Carbon Steel Color: as picture shown Total Length: Approx. 70mm / 2.76inch Cutter Diameter: 8mm, 9mm Package Includes: 2 Pieces Router Drill Bit Note: Please allow 1-2mm error due to manual measurement, make sure that you do not mind before you.Use on automatic and manual muti-spindle boring machines. Suitable for all types of wood processing, furniture cabinet installation, plastic drilling and processing. High hardness, accurate positioning, high precision,smooth cutting,impact.