Semi-automatic tools are designed to make strapping and tightening steel bars easier. Designed for maximum tension, it easily and securely secures bars together. It is suitable for connecting steel bars on the construction site, reducing the manual labor of the human body and liberating manual labor, which greatly reduces the time of connecting steel bars and improves work efficiency.for crochet twisting wire The hook can be rotated and retracted freely. Its use is very flexible and its automatic rebound and reload action saves time and reduces manual labor.for reinforcement The steel hook is wear-resistant and sturdy, and the soft plastic handle is comfortable to hold, reducing the risk of repeated hand and wrist action. Easy to use and labor-saving, your work is efficient, and the improved internal spring mechanism improves durability and solves the previous problems.for buckle tightening ties