This is a stainless steel snap hook (carabiner). It is rust-resistant and has a sturdy construction. Material: Stainless steel Total length: Approximately 114mm Width: Approximately 39mm Opening: Approximately 10.9mm With swivel (anti-twist type) Can be widely used for DIY projects, marine hardware, chain connections, tool hanging, etc. This is a used item, so there are some scratches and dullness from use, but there are no operational problems. Please check the condition in the photos. Shipping included, and will be sent with simple packaging. *Also listed on other flea market sites. If sold on another site first, the order will be cancelled, so please be aware of this.