General description 5-piece metric hand tap assortment with straight groove, including sizes M3, M4, M5, M6, and M8, along with 1 adjustable wrench. This steel thread cutting set is designed for left-hand insert threads, making it a versatile addition to your toolkit. Technical specifications Material: Ball bearing steel Sizes: M3, M4, M5, M6, M8 Type: T tap wrench Usage This excellent thread cutting tool can be used for various materials including wood, plastic, and ordinary steel. It is ideal for repairing screws, nuts, computer cases, and other screw holes. Other information Robust and durable material with good toughness and stability High hardness, wear resistance, corrosion resistance, and rust resistance Humanized T-shaped wrench for easy one-handed use; handle is removable and adjustable Fine and even thread with uniform screw pitch and fast chip removal