Ultra-Fab Products 48-979032 30" Ultra Scissor Jack Ultra scissor jacks give added stability to travel trailers, fifth wheels, horse and cargo trailers; Powder coat black finish resists rusting; Large 5" X 9" footpads combat sinking and tilting; Extends from 4-3/4" to 30" Single scissor jack - does not include crank handle Bolts or welds to frame (bolts not included) Manufacturers Lifetime Warranty