●  Output 486 ~ 8432KN
●  Applicable bolt M20 ~ M160
●  Maximum working pressure 700 ~ 1500Bar
●  Spring automatic recovery, over travel protection, suitable for frequent use
●  Over travel protection greatly reduces seal damage caused by misoperation
●  Advantages of other forms of stretcher
●  Strong applicability, one model can be used for a variety of specifications of bolts