5-ton strong and PRICED LOW! For winching and other high-stress applications, look no further. These super-strong Carabiners are perfect for attaching swing-side snatch blocks, slings, rope end accessories, and more. More: Zinc-plated steel construction with anodized aluminum screw gate lock; Minimum break strength is 11,250 lbs. Each measures 4 1/2 x 2 1/2"; Gate opening is 13/16".