Forester 20" Bar and Chain Combo Kit for Large Stihl Chainsaws .325 Pitch .063 Gauge Mount Including 3/16" Round File 2 Piece Bundle 2 Piece Bundle Including 1 20" Bar and Chain Combo for Large Stihl Chainsaws .325 Pitch .063 Gauge Mount and 1 3/16" Premium Round File Fits Stihl Models: 024, 026, 029, 030, 031, 032, 034, 036, 038, 039, 040, 041, 042, 044, 045, 048, 056, 064, 066, E15, E20, 026C Please make sure your Stihl saw is set up with .063 Gauge Chain 81 DL