20" FULL CHISEL CHAIN FITS STIHL MS260 PRO 3689-005-0081 PITCH .325 .063G 81DL PITCH: .325GAUGE: .063GDRIVE LINKS: 81 FITS OREGON # 22BPX081G FITS STIHL 26RM3 81 CAN ALSO FIT THE FOLLOWING SAWS IF YOUR BAR LENGTH=20" PITCH=.325 AND GAUGE=.063G FITS STIHL E140, HT70, HT75, 017, 018, 019T, 023L, MS140, MS160, MS193 C-E, MS150 TC-E, MSE140, MSE160, MSE180, MS192, MSE200, ME220, MS170, MS171, MS180, MS181, MS190, MS191T, MS192T FULL CHISEL CHAIN IS FOR MORE EXPERIENCED CHAINSAW USERS, IT HAS AN INCREASED RISK OF KICKBACK INJURY Warning: Lead-Nickel-Cancer and Reproductive Harm