7,000 LBS. CAPACITY HIGH (RAJ-7LK-H) MOUNT DESIGN FOR LOW POSITION JACK RAILS LOW (RAJ-7K-L) MOUNT DESIGN FOR HIGH POSITION JACK RAILS ADJUSTABLE HEIGHT ROLLER BODY ASSEMBLIES DUAL 'SPRING LOADED' ROLLER BODY OPERATION SMOOTH 'ON-RAIL' ROLLING W/ ROLLER BEARING WHEELS TELESCOPING & LOCKING SUPPORT ARMS AIR / HYDRALIC OPERATION PROTECTIVE SKIRTS TWO LOCKING HEIGHT POSITIONS RUBBER HEIGHT ADAPTERS (SET OF 2)