Heavy-duty 12 ton, ratchet type jack stands for all workshops. Meets ANSI/ASME/PALD safety standards. Support height is 13' to 20-1/4'. Comes with locking mechanism, stop tab and release handle. Weight - 76 pounds. STEELMAN is an industry leader in automotive and industrial specialty tools and equipment, manufacturing the highest quality, unique, and innovative tools and products, designed to meet the specific needs of mechanics, contractors, and other working professionals.