This is a A-B1A2533P Timber Ridge, 7/32" 3 Pack Files, 5.5 MM PN: B1A2533PMain Description As Following : A-B1A2533P Timber Ridge, 7/32" 3 Pack Files, 5.5 MM P.N: B1A2533P Our popular files, now in a 3 pack.Size: 7/32", 5.5 mm Found in Section & Models : Sunbelt - Chainsaw & Forestry > Chainsaw Tools, Timber Ridge SAW CHAIN FILES: SEVERAL Associated Items : A-B1A2513P, A-B1A2523P Also This is An Aftermarket Product And : Size: 7/32", 5.5 mm