Adjustable to fit a wide range of spare tire widths Quick, easy, rock-solid extra carrying capacity Bolts easily to existing tire mount on tailgate or to any aftermarket tire carrierno drilling required! Holds 75 to 250 lbs. when installed on bumper-mounted tire carrier (Olympic Tire Swing sold separately). Approximately 38"W x 17"L x 4"D. Heavy-duty 7/8" tubular steel. Tie-down points on rails make sure your cargo stays put (tie-down not included).