Dia 12.7mm, max blade diameter 2", wood thickness 12.7-24mm (1/2" - 0.94") Application: MDF, solid wood, MDF, particle board, plywood, wooden door frames, wooden windows, cabinets and boxes , etc. Suitable for engraving machine, cutting machine. Use for handcraft drawer making or other woodworking . Made of high quality steel, by heat treatment, heat-resistant teflon coating, the blade is sharp and smooth . 45 degree cross cuts allow for extremely strong connections without difficulty in holding panels in place while tightening. Specification: Diameter of stem: 12.7mm Material: carbon steel handle + native YG6X alloy, anti-kickback design It is very important to use the normal case size, the tool should be fully inserted into the case and tighten firmly, so that we can use the cutting tool to provide clamping force, not only partially inserted into the case, otherwise will lead to breakage causing damage to the tool shank . Safety Instructions: - The item is only for industrial cutting/engraving, not item dangerous. Package Included: 3x Router Bit 3x plastic box