【Robust and durable material】Made of ball bearing steel, good toughness and stability, high hardness, wear resistance, corrosion resistance and rust resistance 【Various sizes available】Five basic sizes of taps M3, M4, M5, M6 and M8, equipped with tap wrench, meet your daily needs 【Humanized T-shaped wrench】T tap wrench, easy to hold and use with one hand; the handle is removable and can be adjusted slidably 【Exquisite and practical tap】Fine and even thread, uniform screw pitch, clear and clean thread, no burr, fast chip removal p> 【Excellent thread cutting tool】can be used for wood, plastic and ordinary steel and can repair screws, nuts, computer cases and other screw holes