Stihl 18&rdquo; Oregon Chain Saw Repl. Chain Model #021, 025, 025C, MS 230, MS 230C, MS 230C-BE, MS 250, MS 250 C, MS 250 C-BE (2068) Fits saws listed that use a .325/.050 chain with 68 Drive Links.. *******Not all saws listed use this chain,check the description to make sure this is the correct chain for your saw. This is a .325" Pitch .050 Gauge 68 Drive Link chain*******