Nite Ize SlideLock Carabiner Aluminum Olive #3. It also features an innovative slide to lock design that securely locks the gate with a simple push and slide movement and unlocks when you want just as easily. These are available in three sizes: #4 (perfect for attaching to a belt loop or backpack to carry larger items) #3 and #2 (both are great for carrying smaller items like keys and for attaching to zipper pulls). Specifications for Nite Ize SlideLock Carabiner Aluminum: Manufacturer: Nite Ize Color: Olive Quantity: 1 Size: #3 Width: 2 - 3.6 in 2.3 in Lock Type: Slide-to-lock Mechanical Open Strength: Not for Climbing Gender: Unisex Features of Nite Ize SlideLock Carabiner Aluminum Lightweight and strong Solid aluminum body construction Stainless steel gate with slide-to-lock mechanism WARNING: Not for use where disengagement could result in bodily injury or property damage. Not for climbing. Package Contents: Nite Ize SlideLock Carabiner Aluminum Nite Ize CSLA3-08-R6: SlideLock Carabiner Aluminum Olive #3