The Slide-N-Lock Black Web Sling by Allen features a special buckle that allows the sling to be adjusted and secured instantly, securing the sling exactly where you want. Features 1.25-inch wide heavy web construction and Swivels that have been tested to 500 pounds. Special Buckle that Allows the Sling to be Adjusted Instantly Width of the Sling is 1.25-inches Swivels are Tested to 500 Pounds Durable Construction