Specification: Type: Drill Bit For Wood Plastic Plywood Cutting Diameter: Φ3MM-Ф14MM(=Hole Diameter) Shank Diameter: Ф10mm Total Length: 70mm Shank Material: 45# Steel Flute Material: Tungsten Steel Application: Hand Drill Color: Black/Orange Direction: Right Rotation(Black), Left Rotation(Orange) PS: Size14-Black-Right (5143) ---Cutting Diameter is Ф14mm. The color of drill bit is black. The direction is right rotation. 5143 is the number of sheet of drill bit. The detail sizes, please take the sheet data for reference. Features: The use of advanced technology manufacturing, high-quality materials, long service time. Drill holes neat, smooth, no broken edge, will not produce tremor phenomenon. Incision resistance is small, improve the drilling speed, chip removal easily. Can be used for a variety of wood, wood products, plastics, plywood and other materials openings. Easy to install, easy to use, only need to be installed in the ordinary hand drill can be used. Work noise is small. Note: When you using this drill bit, the materials (eg. wood, plastic products, plywood ect.)temperature will get very high , please add some water or coolant to avoid the material get smoke.