From a PL-200 Complete Cam gear Removed from a Pioneer PL-200 auto return turntable. PNX-036 Cam missing half a tooth. turntable will still function, may NOT auto return! PYY-058 Return Signal Unit, test works and is free moving Comes with E clip (circlip) - not shown most likely also fits Direct Drive tables in the silver 100 - 400 seriesPioneer PL-200XPioneer PL-225Pioneer PL-255Pioneer PL-400maybe morecheck pictures to see if it matches what you are replacing. I removed this from my PL-200 turntable, that i bought new many many years ago, when i replaced the broken tonearm from a move, and refurbished the mechanical parts.