Black hook+green straight hook (one each) Durable Carbon Steel Material: The automatic wire twister is made of high-quality carbon steel and plastic materials, strong and durable, high strength, not easy to deform, and long service life. Designed for maximum pull strength to safely and easily twist wire ties to hold rebar together. Knurled Rubber Handle:The rebar tying hook has a soft knurled rubber handle, which is comfortable to hold and can relieve hand fatigue. In addition, it also has a semi-automatic function, which can reduce repetitive actions and easily tie and twist rebar wires when fence building. Rotate and Retract Freely: When the steel hook is pulled out, the steel wire will tighten with the rotation; when the hook is retracted, it can automatically spring back without rotating, so it is very flexible to use. The closed length is 26cm, and the straightened length is 37cm. Easy to Use: The rebar wire tie tool is easy to use, just need to hitch the wire, then pull up, the rebar twister will twist the wire automatically for quick tying with minimal force. No tedious twisting with wire twirling pliers, twisting pliers or manual twist ties, saving time and effort. Multifunctional Rebar Tying Tool: The package contains 2 semi-automatic retractable hooks, the quantity is enough to meet your needs. They are not only suitable for steel lashing on construction sites, but also used as wire tools and drilling tools for gardeners.