52mm(Male) to 67mm(Male) Macro Reverse Ring Adapter Introduction This reversing ring allows you to mount a 52mm or 67mm(Female) front threaded lens in reverse on a lens mount camera. Reversing the lens greatly increases the macro reproduction capabilities. Brand new, never used Made of metal color : black Package Included: Macro Reverse Ring Adapter x1 Suitable For 52mm(Female) front threaded lens ( CAMERA 52mm to Lens 67mm) 67mm(Female) front threaded lens ( CAMERA 67mm to Lens 52mm)