2pcs Cable Tie- You will get 2pcs cable tie tool, 2pcs tool to meet your needs and bring convenience to your life. Structure- The inside of the hook is a threaded + rebound structure. Tighten the handle, and after the end line is tightened, it will automatically spring back, eliminating the winding process and fixing the steel bars together safely and easily. Reduces Hand Fatigue- Semi-automatic function reduces the possibility of repetitive motion strain on the hand and wrist ergonomic rubber grip; soft knurled handle ensures a safe and comfortable hold when working on DIY home projects or construction sites Time and Effort Saver- These rebar tie tools can automatically recoil and reload, save time and relieve your hand fatigue; easy to use, labor-saving, make your work efficient. Suitable for tying steel bars on construction sites.