Features: Made of high-strength aluminum alloy material by the fine process with the characteristics of strong and firm, has long used life. It is light and compact so you can carry it with you. This is a multi-tool developed to provide functions that are not found on a typical multi-tool. It has a tire lever, Presta valve core remover, valve stem lock nut wrench and a pliers to open and close a chains master link. It also provides storage for two sets of master link so you will be prepared on the trail. Magnets hold the master link securely in place and self close the tool.