Genuine Pentax M42 Screw Mount to K Mount Lens Adapter -Nice-
This is the genuine Pentax M42 to K mount adapter to mount M42 screw mount lenses to your K mount camera body. There are many great M42 lenses available on the used market, this adapter mounts them very cleanly to the camera.
It is in excellent condition with light wear and works perfectly. The threading is clean.