A combined dispenser of blades for injector razors with a used blade vault the article comprising two independently formed parts one of which is a body member for new blades with a blade advancing slide, and the other of which is a used blade vault member, the vault member being in general trough shaped into which the body member fits, and having a front hook lug engageable in an opening in the bottom wall of the body member and at the rear a nose portion slidably engaged in the rear open end of the body member and engaging with the stack of new blades to aid in maintaining the blades in position, and the rear part of the vault member forming an end closure for the body member, the two members being permanently assembled by a compound but simple relative movement and in final position being fully locked together by various elements including a detent means which snaps into interlocking engagement.