In aquatic environments, only the strong survive, that's why the highly corrosion-resistant S-Biner Marine SlideLock is crafted from high quality 316 stainless steel. This locking double-gated carabiner allows you to organize, connect, carry and keep valuables extra secure in marine or other extreme environments. It features 2 innovative plastic sliders that lock into place to keep the gates securely closed. Each gate can be locked independently for convenient access and will stay that way until you choose to unlock them.