CM® Master Link and Chain Shortener, Dual Rated, Series: EZ-Connect™, 9/32 in, 4300 lb, 80/100 Grade, Alloy Steel, Orange Powder Coated. The CM EZ-Connect Master Link and chain Shortener allows you to build Chain Slings easier than ever. We've combined two core components of every single or double chain sling, so it's easier to assemble and adjust your sling - and even easier to order. CM® 555232S1 EZ-Connect™ Dual Rated Master Link and Chain Shortener, 9/32 in Trade, 4300 lb Load, 80/100 Grade, Alloy Steel