The S-Biner SlideLock has all the benefits of the standard S-Biner but you can also lock off the gates so whatever you have connected does not come loose accidentally.__ The S-Biner SlideLock features two simple, innovative plastic sliders that slide into place to keep the gates securely closed.  It allows you just to lock off one of the gates on the carabiner and leave the other one for ease of access.__ For example if you want all your keys to stay together all the time but you unclip all the keys frequently from your belt loop on your trousers. ___Size 4High quality stainless steel constructionAlso Available in Stainless SteelSecure stainless steel wire gates with slide-to-lock featureGates can be locked independentlyDimensions: 3.55" x 1.58" x 0.44" | 90.33mm x 40.31mm x 11.20mmWeight: 1.16oz | 33.00gWeight Rating: 75 lb.__ WARNING: Not for use where disengagement could result in bodily injury or property damage. Not for climbing.