Oregon, 20", Replacement, 81 Drive Link C-Loop Saw Chain, Fits Stihl #'s: 024, 024 Super, 026, 028, 028 Super, 029, 030, 031, 032, 034, 034 Super, 036, Trouble Free, Cuts Every Type Of Timber, Stands Up In Any Kind Of Weather & Stays Together In All Cutting Conditions, Stays Sharper Longer, Easy To Resharpen, Has Lubrication, Sharpening, Low Vibration & Low Kickback Features, Chain Meets ANSI Standards, UL Classified.