The Hi-Lift X-TREME is for the serious Hi-Lift user, offering the "top of the line" all-cast version (48" or 60" sizes) with a special top winch-clamp-spreader attachment that provides the ultimate in multi-use functionality. The X-TREME Top Clamp replaces the top clamp-clevis of the standard Hi-Lift models and provides the ability to winch, clamp, and spread up to 5, 000 lbs. X-TREME Top Clamp Features: - 7/8” shackle holes for easy, secure, non-binding attachment - 3/8” chain slot for easy, secure winching and quick slack adjustment. No hook is required. - Attachable at any point on the Jack's steel standard bar for more versatility. - Cut-out wedge for gripping when spreading. Tested and certified to meet applicable requirements of ASME B30.1-2015.