Organize, connect, carry, and keep your valuables and keys extra secure with the S-Biner SlideLock Dual Carabiner from Nite Ize. Made of durable, high quality Stainless-Steel and with Stainless-Steel gates, each gate can be locked independently using the convenient strong plastic SlideLock sliders. The S-Biner gates will stay firmly locked until you choose to unlock them, allowing for simple and secure linking, attaching and carrying. Size #4: | Dimensions: 1.6" x 3.6" x 0.4" | 40mm x 90mm x 11mm | Weight: 1.09oz | 31g | Weight Rating: 75 lb. Not for climbing.Specifications and Features: LOCKABLE DUAL CARABINER - this S shaped stainless steel carabiner has two gates with sliders to lock them in place, so you can securely clip valuables like keys to one side, then clip the other side to your backpack, belt loop, or pocket. HIGH QUALITY STAINLESS STEEL Solid, durable stainless steel construction and stainless steel gates with plastic SlideLocks make these S-Biners ultra-strong. Individually weight rated. Size #2 10lb | Size #3 25lb | Size #4 75lb KEEP KEYS SECURE Upgrade your beat-up, bulky old carabiner key chain for a slim-line, locking stainless steel S-Biner. Clip keys to one side, then the other side is free to clip on and off your bag or pocket without disturbing your keys.