... ISO9001,CRCC 2:PATENT LB600 type electric double wrench:1:ISO9001,CRCC2:PATENT Our company is ... track lifting and lining machine, railway ballast tamper, railway bolt wrench, rail bender , rail gap adjuster, cutting disc, grinding ... formation of a very high reputation LB600 type electric double wrench Application:Suitable for railway line sleeper bolt and ... size: 855 x 490 x 820 (mm) Double head wrench