IEN1031 Features: * Ductile steel column posts * Self-lock ratchet stud prevents lowering of stand under load * Heavy duty welded base for maximum strength * 12 Ton Capacity Jack Stands (Pair) Dimensions: * Saddle provides maximum load control Sunex tools lifting is serious about taking your can-do job all the way to done. These jack stands have a low height: 19.5"; raised height: 30"; and the base: 12.5" x 14.75". Warranty: * 30 day warranty on material and workmanship