SGD01 10" Wire Hook

This is a rebar tie wire twister tool, also known as a wire hook or tie wire twister. It is used to quickly and securely twist wire ties around rebar or other materials on a construction site. 
This is a semi-automatic tool designed to improve work efficiency and reduce wrist and arm strain. 
It is often made of high-quality steel for durability. 
The tool works by hooking the wire loop and pulling, which causes the internal mechanism to twist the wire tight. 
The size shown is 10 inches.