... 1:ISO9001,CRCC 2:PATENT LB600 type electric double wrench:1:ISO9001,CRCC2:PATENT Our company is ... include rail cutter, rail grinder, rail drilling machine, track lifting and lining machine, railway ballast tamper, railway bolt wrench, ... of a very high reputation LB600 type electric double wrench Application:Suitable for railway line sleeper bolt ... physical size: 855 x 490 x 820 (mm) Double head wrench