BULLDOG's 8,000 lbs. support capacity square jack serves the agricultural, industrial, construction, horse/livestock trailer, and utility/cargo trailer markets. The compact design of these jacks makes them ideal for tight-fitting applications where 3" and 4" square tube jacks are too big! Drop leg with heavy-duty base, provides 13.5" of additional adjustment. WARNING: This product can expose you to chemicals including Chromium which is known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -