im looking for a quick release adapter that i was given many years ago. i dont know what its called, and no bike shop seems to know what i'm talking about. you unscrew the quick release handle from from the skewer, and the adapter is a bolt that you screw into where the handle came out.

the top of the bolt is shaped just like the quick release handle so that when you tighten it all the way, it tightens the axle the same way. then when you want to take the wheel off, you unscrew the bolt about a half turn, and its loose, just as if you had flipped open a quick release handle.

the top of the bolt is kind of a star pattern, it looks like an allen key, but instead it's a 6 pointed star shaped key. it came in a kit with 3 adapters and the star wrench. but i have no idea where to get another one and no idea what it's called. anyone know?