Master lock non-locking carabiner is a versatile and handy tool for a variety of uses. It's made of die-cast zinc for long-lasting durability and features a spring-loaded gate for a secure closure. The large gate opening allows for easy clipping and unclipping of items, while the rust-resistant finish helps protect the carabiner from the elements. This carabiner is perfect for attaching keys, lanyards, bags or other items to a backpack, belt loop or other secure location. It's also useful for hanging light items or creating a temporary tether.