The options are literally endless when using an S-Biner. The double-gated stainless steel clip allows you to store, attach, hang and connect numerous items together. Three convenient sizes for a variety of uses. Stainless steel construction. Per 3. Includes: No. 2 2L x 0.88W. Gate opening: 0.44. Wt. capacity: 10 lbs. No. 3 2L x 0.63W. Gate opening: 0.56. Wt. capacity: 25 lbs. No. 4 3.5L x 0.5W. Gate opening: 0.75. Wt. capacity: 75 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Biners.