Feature: * Brand new and high quality. * Made of high quality materials, durable and practical. * Durable and long service life. * High hardness, high temperature wear. * Handle made of high quality steel bearing. * Suitable for repairing bicycles , furniture assembly, machinery manufacturing, etc.* Suitable for wood, iron, aluminum, thin stainless steel and other materials. Instructions: (1) When tapping, first insert the nose cone so that the center line of the tap is consistent with the center line of the drill hole. (2) Rotate two hands evenly and apply slight pressure to make the tap enter the cutter. After the knife enters, there is no need to add pressure. (3) Each time the tap is rotated, it is reversed about 45 deg; to cut off the chips to avoid blockage. (4) Do not increase the rotation force if the tap is difficult to rotating, otherwise the faucet will break. Specification: Material: 6542 high speed steel Type: (optional) M3, M4, M5, M6, M8 Package includes: 1 pcs Spiral Hand Faucet Please note: - Due to the differences between different monitors, the image may not reflect the actual color of the item. Thanks! - Manual measurement, please allow 1-3cm error. Thank you for your understanding.