The sumner heavy duty jack is the first commercially produced jack stand constructed of rugged 1 Inch steel tubing, tested by independent labs for excessive loads. Backed by over forty years of jack stand manufacturing experience

• Strut tension plate for superior lateral support
• 1 Inch square tube base construction
• Built for heavy use and abuse
• Quick-action lock washer for quick height positioning
• Patented Fall Guard™ feature allows 1 Inch safety zone around lock washer
• 1-1/2 Inch Acme fine adjustment thread - the largest in the industry
• 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
• Weight: 24 lb

Sumner Hi Jack 780375 Hi Jack Stand With V-Head, Heavy-Duty, Load Capacity: 2500 lb, Minimum Lifting Range: 28 Inch, Maximum Lifting Range: 49 Inch, Pipe Diameter: 24 Inch, Yellow