This bar and chain fit the following model Stihls with .325 sprockets 024, 026, 028, 028 super, 029, MS260, MS270, MS271T, MS280, MS290, and others larger saws with 3/8 pitch would need to be changed to a .325 pitch sprocket.
specs 20 inch .325 pitch .063 gauge 81 drive links
203SFHD025 GUIDE BAR + 22BPX081G chain
Oregon ControlCut combo
Red or yellow package depending on current inventory.