OREGON CUTTING SYSTEMS L81 - CHAINSAW CHAIN, 81 DRIVE LINK C-LOOP, FITS STIHL MODELS, 20-IN. - 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...