Key features CHAINS PARAMETERS: 4 packs 18 inch chainsaw chains .325" Pitch, 063" Gauge, 68 Drive Links. Full Chisel (Tips: 2022 and newer MS250 may have a .050" gauge bar - Please check to make sure your bar has .063" gauge like this chain.) COMPATIBLE MODEL: Replacement Chainsaw Chain Fit for STIHL 021, 025, 025C, 70, MS 230, MS 230 C, MS 230 C-BE, MS 241 C-M, MS 250, MS 250 C (2022 and newer MS250 may have a .050" gauge bar - check to make sure your bar has .063" gauge like this chain), MS 250 C-BE, MS 251, MS 251 C, MS 251 C-BE and more. Replacement OEM Part: For STIHL 26RS368E For HUSQVARNA 591104268, H26-68 For TRILINK CL76368TL2. For OREGON 22BPX068CK, 22BPx068G, V68 L68. Please check your bar length, Pitch, Gauge and drive links, to ensure this 18 inch chains work with your machine. CHAIN FEATURES: Superior German Steel, Durable, Smooth Cutting, High Toughness, Sharp, Specially Designed Oil Retention Hole, Full Chisel, Heat-Treated, Hardened Rivets. All saw chain rivets hardened and quenched, resists wear and improves strength, reducing chain tension changes. FIND RIGHT SIZE CHAINS: Check the owner's manual or the guide bar side stamp to find the PITCH, GAUGE, LENGTH and DRIVE LINK NUMBER and select the chain according to these parameters. We provide 24×7 after-sales support service to solve any problems, please feel free to contact us. (Tips: Visit the FIFCHALL amazon store for most sizes Chainsaw Chains) Free shipping included. 30-day hassle-free returns.