... : 1:ISO9001,CRCC 2:PATENT LB600 type electric double wrench:1:ISO9001,CRCC2:PATENT Our company is a leading ... the formation of a very high reputation LB600 type electric double wrench Application:Suitable for railway line sleeper bolt and nut ... kg 12, physical size: 855 x 490 x 820 (mm) Double head wrench