1、1. High hardness alloy blade, wear resistant and long service life. 2、2. Sharp cutting blade edge makes incision flat and smooth without burs, improving the drilling efficiency. 3、3. Cambered head design benefits the exhaust of wood chips. 4、4. The shank is made of carbon steel, sturdy and durable, not easy to break off. 5、5. Easy to install the drill bit on electric hand drill, bench drill, etc. Features: 1. High hardness alloy blade, wear resistant and long service life. 2. Sharp cutting blade edge makes incision flat and smooth without burs, improving the drilling efficiency. 3. Cambered head design benefits the exhaust of wood chips. 4. The shank is made of carbon steel, sturdy and durable, not easy to break off. 5. Easy to install the drill bit on electric hand drill, bench drill, etc. 6. Suitable for solid wood, density board, presswood, plywood, model making, hinge installation, etc. Specification: Material: Carbon steel Hole Diameter: 53mm / 2.09in Total Length: 85mm / 3.35in Shank Diameter: 9.5mm / 0.37in Weight: 163g / 5.7oz (approx.) Package List: 1 x Wood Hole Cutter Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement.