... ,the lifting power is 3500lbs,have the Good tecnoleg 1. trailer jack, 3500 lbs of lifting power 2. 5000 lbs of ... breakaway power to easily release hitch ball3. fits smaller 2'' and regular 2 1/4'' mounting ... / 20' Qty 4. 2160pcs / 40' Qty5. 2520pcs / 40'HQ Qtyjack,trailer bracket,trailer fittings electirc trailer tongue jack HHD-1000