DOP423RNDD025ST 42" 3/8" Pitch .063" Gauge Power Match Plus Chain saw Bar fits Stihl Chainsaws. Replaceable Sprocket Nose. Fits Large Style 3/8" Pitch Chainsaw Chains(72 Series). Fits Stihl model 038, 038 Super Magnum, 041, 042, 044, 044 Magnum, 045, 046, 046 Magnum, 048, 056, 056 Super, 064, 066, 066 Magnum, MS 440, MS 440 Magnum, MS 441, MS 441 C, MS 460, MS 460 Magnum, MS 650, MS 660, MS 660 Magnum Chainsaws.