The DMM XSRE Locksafe is a strong, small carabiner. It features a Tri-lock system that self-locks. Its design ensures it won't get caught on ropes or other things. The I-beam construction provides a breaking strength of 4 kN. It is not certified as PPE, but it is one of the safest mini carabiners on the market due to its locking mechanism and breaking strength. It weighs only 13 grams. The dimensions are 60x35mm. With a gate opening of 12mm, it can be used for various purposes, including tools, accessories, keyrings, etc.