Our best-in-class trailer stabilizer was built to make life easier for practically all trailer types. The PowerTwin II’s unique design stops front-to-back motion and side-to-side motion, eliminating the need for scissor jacks. Lifting and leveling at the flip of a switch. Dual 12-Volt motors allow for fast, easy, and convenient independent leg operations with lifting capacity of 6000 Pound per leg / 12000 Pound per PowerTwin II / 24000 Pound per trailer. Mount one on front and one on rear for extreme stabilization. Simple toggle switch can be mounted practically anywhere and provides for fast and easy extension and retraction. Independent leg operations allow easy adjustments for uneven surfaces. Fits most travel trailers, Fifth Wheel And Class C (rear only) RVs with frames from 42 Inch To 77 Inch. Legs extend 22 Inch.