Proven Part Full Chisel Chainsaw Chain for 18In Bar Fits OEM:  26RM368, 22BPX068G, 22LPX068G, 36390050068, 26RS68E, 22LGX068G, 501841768, 591104268, 26RS368E Pitch: 0.325 Gauge: .063G Drive Links: 68 Fits Stihl 26RM368 Can also fit saws if your Bar Length=18" Pitch=0.325 and Gauge=.063G Fits Stihl Models: 021, 025 C, 070, 25, MS 230, MS 230 C, MS 230 C-BE, MS 241 C-M, MS 250, MS 250 C, MS 250 C-BE, MS 251, MS 251 C, MS 251 C-BE Fits Home lite: 25, MS 230, MS 230 C, MS 230 C-BE, MS 241 C-M, MS 250 Full Chisel Chain is for more experienced Chainsaw users,It has an Increased Risk of Kickback Injury