The GL-10000SXS Side by Side 4 post gives you the ability to stack two vehicles on top and bottom. The outside slider design is the safest and most stable design in the industry allowing you to feel confident in the stability of your lift. The GL-10000SXS does not need to be bolted to the floor and can be moved around in your garage/shop using the included casters. Installation available in most areas Flooring Requirement: Standard 4" Concrete Power Requirement: 240V, 20amp Key Features 10,000 lb Lifting Capacity Outside Slider Design 1/2 inch cables 5 inch Pulleys With Greasable Zerk Fittings Cable Keepers on Every Pulley Boxed in Runways Reinforced Crossbars Durable Powder Coat Finish J-Channel Center Rail System 240V ETL Certified Motor 12"x12" Footplate, 5/8" Thick Flow Restrictor Anti Surge Valve 7-Year Limited Warranty What’s Included: Aluminum ramps 8 Drip Trays 2 Rolling Jack Trays (4500lb rating) Mobile Caster Kit Aluminum Wheel End Stops ETL Certified Power Unit 2 Sets of Wheel chocks Post Height: 8' 9" Overall Length: 16' 11" Overall Width: 17' 3" Drive Under Clearance Height: 6' 10" Drive Through Width Bottom: 192" Drive Through Width Top Between Cables: 188" Outside Runway to Outside Runway: 75" Each Side