... Rebar Tying Machine, Rebar Tying Tool, Rebar Tier, Rebar, Hand tool, Hand-hold tool, tying tool, knoting tool,tier, hardware tool, wire, rebar tier wire, rebar ... Spool: 100 Knots- Weight of One Spool: 0.4 kgs- Battery Capacity: 3500 mAH (Ni-mH)- Charging Time: 60-70 ... than a professional worker. It is powered by a rechargeable battery which can be used alternatively and continuously during the tying ...