Adjustable: These jack stands adjust from 54.5" to 80.5" and are designed to support the positioning of vehicle components during their installation or removal process. Foot Pedal: Made with fast and safe technology, this model is a great tool for professional mechanics; It includes a foot operated pedal for extra lift, allowing for micro-adjustments while working. Built: This model has a 1 650 lb. weight capacity, allowing the stand to endure extreme pressures and heavy loads; A heavy gauge, steel frame built, provides additional durability to prevent distortion or twisting. Certification: Bearings in the handle ensure the stand has a smooth operation and performance and effectively meets ANSI and PALD standards.