The only 100% USA made garage stands with 100% USA parts. Low Height 11 ” Max Height 17 3/4 ” Base 10 ” x 10 ” “Double lock security system” utilizes two pawls to engage two teeth on the load bar. Rated capacity is PER pair. Stands are packaged in PAIRS. US Jack supplies our US Military, Boeing, Lockheed-Martin, Oshkosh Truck and Snap-On.