... : 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 ... n, m 9, factory tightening torque: 125 N, m 10, work efficiency: acuities 10 / points 11, quality. 72 kg 12, physical ...