Features The impact screw set is made of high quality bearing steel for durability. Various sizes are available, you can choose freely according to your needs. T-shape tap spanner design, one hand operation, more convenient to use. Adopting new upgraded stainless steel material, hard and durable, not easy to deform, not easy to rust, not easy to corrode. Impact spanner with T-shape design, easy to hold and operate, smooth surface coating, comfortable to hold, easy to use with one hand. It can improve the efficiency of thread processing, and is a necessary tool for manual thread processing. The impact screw set is easy to position and can be used freely even in tight spaces. With this tap set, threading becomes easier and more precise. This tap set includes 1 piece of T-tap spanner, 4 pieces of tap, 4 pieces of twist drill. Suitable for machining and fabrication of wood, plastic, aluminium or many other soft materials. Specifications: Condition: 100% Brand New Item Type: Tap Wrench Set Material: Bearing Steel Tap Model: M3 * 0.5mm, M4 * 0.7mm, M5 * 0.8mm, M6 * 1.0mm Twist Drill Bit Diameter: 2.5mm / 0.09inch, 3.5mm / 0.14inch, 4.2mm / 0.17inch, 5.2mm / 0.2inch Wrench Range: M3-M6 Package Weight: 126g Package Include: 1 x Tap Wrench 4 x Screw Taps 4 x Twist Drill Bit Note: Please allow 1-3mm error due to manual measurement. Thanks for your understanding. Package List