Material: Metal construction provides hardness and durability. It is rust-proof and corrosion resistant with a long service life. Higher thread cutting speeds are possible. Size and contents: Includes 1 piece adjustable T-handle tap wrench with ratchet mechanism and 5 heads (m3, m4, m5, m6, m8). Different sizes cover common tapping needs; you can choose the appropriate size for the job. T-shaped design: The adjustable tap wrench with a T-shaped handle supports one-handed operation, making use more convenient and efficient. It is a practical partner for thread cutting and is suitable for use in limited spaces. Ease of use: Easy to use with one hand. The removable auxiliary rod tap wrench handle can be moved to the opposite side for easier positioning. Applications: - Repair or create internal threads in metal parts such as engine blocks, housings, and machinery components. - Tap threads for metal furniture, cabinets, or equipment using sizes m3–m8. - Perform maintenance or installation tasks in tight spaces like engine bays or crowded work areas.