CURT 28512 - Direct-Weld Square Jack with Side Handle (12,000 lbs, 12-1/2" Travel)Direct Weld Square Jack with Side Handle (12,000 lbs, 12 1 2" Travel) Supports up to 12,000 lbs. of trailer tongue weight Side wind handle folds in for compact storage Designed to weld directly to the trailer frame Drop leg with spring return for fast retraction Pull pin keeps jack securely locked in place 12 1 2" of vertical travel accommodate multiple ball heights Limited lifetime warranty (one year finish, one year parts)