This is a A-B1BSC43S050P NON ANSI 3/8" LP CHISEL .043, 50DL LOOP PN: B1BSC43S050PMain Description As Following : A-B1BSC43S050P NON ANSI 3/8" LP CHISEL .043, 50DL LOOP PN: B1BSC43S050P Found in Section & Models : Sunbelt - Chainsaw & Forestry > Saw Chain, Timber Ridge SAW CHAIN LOOP: SEVERAL Associated Items : New Also This is An Aftermarket Product And : Chisel: Semi Chisel Drive Link: 50 Gauge: .043" Pitch: 3/8" LP