DOP240RNDD196OL 24" 3/8" Pitch .050 Gauge Power Match Plus Chain saw Bar fits Olympyk Chainsaws. Replaceable Sprocket Nose. Fits Large Style 3/8" Pitch Chainsaw Chains(72 Series). Fits Olympyk model 250. 250A, 251, 252, 254, 260, 261, 264, 355, 460A Super Chainsaws.