Regardless of clearance, or if it's the front or rear, Bal's Deluxe RV scissor jacks are designed to mount on any RV. With a easy operating handle for quick raising and extendability from 4"to 30", Deluxe camper scissor jacks are perfect for leveling. Features black rust coating, zinc-plated handle to ensure your deluxe scissor jack a long life. The tooth gear designed scissor arms engage to ensure straight line vertical extension and retraction. Lifts up to 5000 lbs. Comes 2 per box. Deluxe scissor jacks is designed to mount on all RVs - front or rear €€œ regardless of clearance. Jacks can be extended from 4" to 30". Includes an easy operating crank handle for quick raising. The tooth-gear designed scissor arms engage to ensure straight line vertical extension and retraction. Features a black rust inhibitive coating and shiny zinc-plated handle to ensure a long product life. 5000 lb. lifting capacity.