Automatic Rebar Tying Machine 2.The tightness of binding is controled by microchip and can be adjusted freely. Automatic Rebar Tying Machine1.Wire feeding,binding,cutting,tying only take around 1 seconds.2.The tightness of binding is controled by microchip and can be adjusted freely.3.All the binding steps finish inside of the machine with 9.6V safe voltage, which can not cause injury to people. ...