The iDEAL RAJ-7K-H & RAJ-7K-L Rolling Bridge Jacks are high quality, automotive frame engaging 7,000 lb. capacity, pneumatic / hydraulic operated, scissor-style rolling bridge jacks, designed to be easily mounted on most four post or scissor lift’s jack rails to expand the lift’s service ability. Both jack models are designed to lift either the front or rear wheels off the runways to provide ‘wheels free’ service for brake, suspension, tire repairs or general maintenance jobs. The iDEAL RAJ-7K Jack models include ‘exclusive’ universal roller body brackets designed for either ‘High Mount’ or ‘Low Mount’ jack rail configurations for commercial four post or scissor lifts with integrated jack rails between the runways. The iDEAL RAJ-7K’s exclusive design incorporates ‘spring loaded’ adjustable width & height roller body support brackets, allowing for the best fit to runways, while the dual-precision roller bearing guide wheels ‘track’ on the top edge & side of the jack rails, ensuring for smooth & safe long-term rolling operation. The RAJ-7K Jacks also come standard with a pair of rubber pad adaptors, protective scissor side skirts & high-quality pneumatic / hydraulic pump for premium, commercial grade rolling bridge jacks, all for an unmatched value!