... the rebar automatically and quickly by itself. Rebar Tying Machine, Rebar Tying Tool, Rebar Tier, Rebar, Hand ... 1 pcs Hex wrenchHand-held Automatic Rebar Tying Machine, a hand-held portable electrical tool, can ... it is more and more popular in building sites.Before injecting the concrete during the construction ... of building, road, bridge, etc., ironworkers tie rebar ...