Item Details Sumner Manufacturing Company ST-903 Heavy Duty Lo Jacks with bar stock head features a rugged construction with 1" steel tubing for excessive loads. Jack with Patented Fall Guard feature allows 1" safety zone around lockwasher. It has replacement leg feature for easy repair and setscrew for double margin of safety. It height adjustable feature and 1 1/2" acme fine adjustment thread. It has strut tension plate for superior lateral support and ideal for heavy-duty use and abuse. Features Commercially produced and tested for excessive loads Newly Improved! the heavy duty jack is the first commercially produced Jack stand constructed of rugged 1" steel tubing, tested by independent labs for excessive loads Replacement leg feature for easy repair Strut tension plate for superior lateral support 1" square tube base construction Built for heavy use and abuse 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 Backed by over forty years of jack stand manufacturing experience Specifications CE Rated This listing is for Each.
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