TRIPLE X Moveable Chassis Stands. Complete with all pins, castors and high density rubber pads to keep lower frame rails from scratching. Sturdy and strong to get your Race Car in an ideal position to work on. Adjustments from 13" to 19". Heavy duty casters make moving your race car around the shop easy. Sturdy fabrication won't buckle under high load capacity. Sold as a pair. Features... � Strong, sturdy construction. � Plated. � Adjustable Height. � Collapsible to lay flat for easy storage in shop or hauler. � Rounded casters for ease of rolling. � A brake on each stand to prevent rolling when working on car. � Light weight. � Removable 1" block on left side so stand fits both raised rail and standard rail chassis.