Sumner 28 Hi Jack Vee Head 781300 FEATURES: Folds up for storage ease Quick action lockwasher for fast height positioning Patented Fall Guard feature allows 1" (25 mm) safety zone around lockwasher Large; convenient adjustment handle Set screw for double margin of safety Set screw can lock jack head to stand for transportation - no loose pieces Jack independently load tested for quality assurance CE rated Backed by over thirty years of jack stand manufacturing experience Carrying handle for ease of transporting! SPECIFICATIONS: 1" square tube base construction 2;500 lb (1;134 Kg) capacity Height adjustable from 28" (71 cm) to 49" (125 cm) 1-1/2" (38 mm) Acme fine adjustment thread - the largest in the industry " Sumner ST-881 Fold-A-Jack Hi Jack Vee Head 781300