The Paratech HydraFusion Strut Kits offer end users the ability to lift up to 10 U.S. Tons with a safety factor of 2:1 and to stabilize up to 20,000 lbs. with a safety factor of 4:1. The innovative, built in Dual Shaft End Adapter allows users to safely use Paratech LongShore, LockStroke or AcmeThread Struts and Extensions in conjunction with the incredible lifting ability of the HydraFusion Strut. Place strut into position, ‘EXTEND’ threaded shaft into desired length,‘SPIN’ collar to ‘LOCK’ the strut.