1Adopting high quality bearing steel, which is durable and has long service life 2This set includes 1 piece Tshaped tap wrench, 4pcs taps and 4pcs twist drill bit 3Tshaped tap wrench design makes it can onehand operation, more convenient to use 4It can improve the efficiency of processing thread, it is a necessary tool for hand tapping operation 5With this tap & wrench set, the thread cutting will become more easily and precisely This tap & wrench set is a general tool for hand tapping operation. It includes 1 piece Tshaped tap wrench, 4 pieces taps and 4 pieces twist drill bit. Adopting high quality bearing steel, which is durable to cut the thread. With this tap & wrench set, the thread processing will become more easily and precisely. Features: Adopting high quality bearing steel, which is durable and has long service life. It can improve the efficiency of processing thread, it is a necessary tool for hand tapping operation. This set includes 1 piece Tshaped tap wrench, 4pcstaps and 4pcstwist drill bit. Tshaped tap wrench design makes it can onehand operation, more convenient to use. With this tap & wrench set, the thread processing will become more easily and precisely. Specifications: Condition: 100% 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 / 0.10inch, 3.5mm / 0.14inch, 4.2mm / 0.17inch, 5.2mm / 0.2inch Wrench Range: M3M6 Package Weight: 126g Package Include: 1 x Tap Wrench 4 x Screw Taps 4 x twist Drill Bit Note: 1. Please allow 13mm error due to manual measurement. Thanks for your understanding. 2.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.