Applicable scenarios: These rebar tools are suitable for tying rebar on construction sites Material: Made of high quality steel, these rebar tying and stranding tools are easy to use and help increase your productivity Function: These rebar twisters are designed for pulling, allowing workers to hold rebar together safely and easily SAVE TIME AND EFFORT: These rebar tie tools can automatically recoil and reload, saving time and relieving your hand fatigue; semi-automatic feature reduces repetitive motion and reduces stress on hands and wrists Structure: The inner side of the hook is a threaded springback structure; after tightening the handle and tightening the end line, it will automatically spring back, eliminating the need for the winding process black hook, green straight hook