Description: High quality materials: Our screw drill bits are made of high quality carbon steel. It has appropriate hardness and twist, which makes the bit not easy to break and wear. Powerful: Suitable for drill bits, screwdrivers, first-class batch transfers. The screwdriver head may obstruct the connection. It is ideal for replacing sleeves and seals, extending the links. Powerful: suitable for drill bits, screwdrivers, first-class batch transfers. The screwdriver head may obstruct the connection. Ideal for replacing sleeves and seals, lengthens links. Powerful: suitable for drills, screwdrivers, first-class batch transfers. The screwdriver head may obstruct the connection. It is ideal for replacing sleeves and gaskets, extending the links. Quick fixing: our screw bits are perfectly fixed to the screws without fear of falling off, installation is easier and more convenient, which greatly improves work efficiency. Customer Service: We serve buyers wholeheartedly. Please feel free to contact us if you have any problems with your purchase. Specifications: Interface Mount: 1 / 4" Material : carbon steel Size: 3.46 inch Color: silver Weight: about 50g Package includes: 1 x Magnetic Screw Drill Bit Note: 1.Due to lighting effect, monitor's brightness, monitor settings, contrast etc, there could be some slight differences in the color tone of the picture and the actual item. 2.Please allow 1 - 2mm difference due to manual measurement, thank you.