Buckle

A buckle comprising:

• a plug member which includes support arms formed at both ends in a forward direction of a base, and a support part formed forward from the base between the two support arms;
• a socket member that includes support chambers formed at both ends where the support arms are inserted, a central chamber formed between the two support chambers and having an open front, a retained part formed at the rear end of the central chamber, and a first magnet embedded inside the central chamber;
• and
• a locking member which is rotatably mounted on the support part, and includes a hook part formed at the front end thereof to be coupled to the retained part when the plug member and the socket member are coupled, and a second magnet embedded in the center to correspond with the first magnet when the plug member and the socket member are coupled.