Omega Lift 22 ton spider jack stands are pin-style jack stands and designed with spring-loaded casters and come with the pushing and carrying handle to provide easy positioning and carrying. It is designed to support your vehicle after lifting with a floor jack. With the wide base, heavy-gauge, welded steel construction, car stands provide the added strength and stable support for superior safety. The heavy gauge extension tube has a 2-inch adjustable increment. Ensuring the support bar is secured and nested across 2 corresponding radii before loading. Ensure that the support bar is inserted completely so that the bar stop engages the collar. The pin storage comes in handy when it is not in use for easily store the locking pin. Features: Pin Style Jack Stands Spring Loaded Casters for Easy Unloaded Mobility Positioning Handle for Safe Placement under Vehicle Sturdy, Welded Steel Construction for Superior Safety and Strength Heavy-Duty Gauge, Steel Frame Helps Prevent Distortion or Twisting Handle Provides Easy Positioning and Carrying Lock Pin Storage Wide Base for Support Specifications Min height: 12-5/8 in. Max height: 20-1/16 in. Adjustable Increment: 2 in. Net weight: 59.5 lbs. (Pair) Gross weight: 63 lbs. (Pair) Overall product size: 9-7/8 in. x 9-7/8 in. x 12-1/2 in. Rated capacity: 22-Tons (44,000 lbs.) Standards: Meets ASME PASE 2014 Safety Standards.