With its two strategically designed plastic sliders the S-Biner SlideLock allows you to close the gates and lock them behind you. Organize, connect, carry, and keep your valuables extra secure with S-Biner Slide Lock Double-Gated Carabiner. Made of high quality stainless steel, each S-Biner SlideLock features two simple, innovative plastic sliders that, when slid into correct placement, keep the gates securely closed. Your S-Biner SlideLock will stay firmly locked until you choose to unlock it, allowing for simple and secure linking, attaching, and carrying. Each gate can be independently locked for convenient access. High quality stainless steel constructionSecure stainless steel wire gates with SlideLocks to lock gates and secure contentsGates can be independently lockedSize #4 dimensions: 3.5" x 1.5" weight rating: 75 lb. 3.54" x 1.57" x 0.32" 90.00mm x 40.00mm x 8.20mm Weight= 1.09 oz.