DOP200RNDD176MCC 20" 3/8"Pitch .050 Gauge Power Match Double Guard Chain saw Bar fits McCulloch Chainsaws. Replaceable Sprocket Nose. Fits Large Style 3/8" Pitch Chainsaw Chains (72 Series). Fits McCulloch model 1-10, 10-10, 10-10A, 1000, 2-10, 3-10, 4-10, 5-10, 55, 555, 560, 570, 6-10, 60, 605, 610, 620, 650, 655, 7-10, 700, 800, 805, 850, CP-55, CP70, CP70L, Double Eagle 50, Double Eagle 80, Eager Beaver 3.4, Eager Beaver 3.7, PM 605, PRO MAC 55, ProMac 5700, ProMac 8200, Silver Eagle 3420, Silver Eagle 3720, SP-60, SP-70, SP80, SP81, Timber Bear, Titan 50, Titan 57, Titan 70 Chainsaws.