Keystone alloy lifting tongs are certified for overhead lifting and can support weights of up to 2500 lbs (1134 kgs). They're made of alloy heat-treated steel, ensuring durability, and are tested and tagged with working load limits for optimal tensile strength. Their bright orange color makes them easy to spot on the job site, and their jaw opening allows you to lift logs up to 25” (635 mm) in diameter.