Includes (2) loops and 20" Bar

Chain is semi-chisel, this chain is .325 pitch, .050 gauge and has 81 drive links. This chain fits Stihl models using a 20" guide bar that is .050-gauge and the saw is equipped with a .325 pitch sprocket.  

Fits Models like - MS261 MS270 MS280 MS290 MS291 when using a .325 pitch, .050-gauge chain with 81DL drive links.