2000lbs trailer jack Overall Travel: 9.85" Retracted: 11.65" Extended: 21.50" 1, Weld-on Swivel Mounting bracket2, Outer tube: Sliver Powder Coat3, Inner tube: 100 hrs zinc plate4, Overall Travel: 9.85"5, Retracted: 11.65" Extended: 21.50"6. Heavy duty tube Trailer Jack