Structure: The inside of the hook is a thread + rebound structure. After tightening the handle and tightening the end wire, it automatically rebounds, eliminating the winding process.safely and easily hold rebar together. Reduce Hand Fatigue: Semi-Automatic function lessens possibility of repetitive action strain on your hands and wrist ergonomic rubber grip; Soft knurled handle ensures a secure comfortable hold while working on DIY home projects or construction sites. Save Time and Effort: These rebar tie tools can automatically recoil and reload, saving time and relieving fatigue of your hand; Easy to use and effort saving, make your work efficiently.Applicable to construction site to bind rebars. Material: These rebar tie wire twister tools are made of good quality steel and are easy to use, helping to improve your work efficiency. Compact & Portable: With its compact design and optional tail ring for easy storage, this rebar wire twister is highly portable. Keep it organized in your toolbox or take it on-site for quick access during construction projects. YXCCSE 1 Pcs Rebar Tie Wire Twister Rebar Tie Tool ,Rebar Tie Wire Twister Tool Wire Twister Pull Tie Wire Twister,Automatic Concrete Metal Wire Twisting Fence Tool