lifting jacks
american forge & foundry 5520b 20 ton air hydraulic bottle jack
aff air hydraulic bottle jacks are used to lift heavy duty trucks construction and heavy farm equipment . both have centered pumps and rams with heat treated pistons for balance and easy positioning . saddles are made of machine hardened steel . each operates at 90 180 psi and are factory pre tested to 150 % of its rated capacity . they also include a safety bypass system to prevent possible damage from ram over extension . li low height 10 1 2 li high height 20 li lift 6 1 4 li screw extension 3 1 4 li base 9 1 2 x 6 1 2
intermarket