16" Replaceable Sprocket Nose Bar / Silver Streak R3501660-4176SSPack Size:1GB EX16-50PA, GB EX16-50MG, Oregon 160GNDD176, Oregon 160RNDD176Laser 41003, Rotary 4686, Rotary 10583, Sandvik 16UXL50STA, Stens 075-514, Tilton T025PV4Craftsman 35145, 35212, 35483, 35608, 35609, 35690, 35721, 35727, 35728, 35826, 35829, 35851, 35881,35885, 35887 and 35889; Dayton 2Z462, 2Z462A, 2Z463, 2Z561, 2Z971, 4Z251, 4Z251A, 4Z252, 4Z397, 6Z826 and 7Z627; Echo CS60, CS60S, CS451,CS4541, CS452, CS500, CS501, CS501EVL, CS510, CS510EVL, CS550, CS590 Timberwolf, CS600. CS600P, CS601, CS602, CS610, CS610T, CS620P, CS650, CS660, CS670, CS680, CS701, CS702, CS706, CS750, CS5500, CS6700, CS8000, QV670 and QV8000; Green Machine 7600 and 7700; John Deere 055SV, 50, 50AV, 51, 51SV, 55, 55V, 60, 60V, 65, 65SV, 66, 66SV, 70, 70V, 80, 80EV, 800 and 800V; Lombard AP42, Comago, CS3500, CS3501, CS3502, CS3503, Lightning III and Super Lightning; McCulloch 55, 57, 60, 80, 560, 570, 605, 610, 650, 700, 800, 805, 850, 1000, 3720, 5700, 8200, CP55, CP70, CP70L, Double Eagle 50 and 80, Eager Beaver 3.7, PM605, Pro Mac55, Silver Eagle 3420, SP60, SP70, SP80, SP81, Timber Bear, Titan 50, 57 and 70; Poulan 203, 245, 306, 360, 361, 365, 375, 380, 395, 400, 450, 670, 3400, 3600, 3700, 3800, 3900, 4000, 4200, 4400, 4900, 5200, 5400, 5500 and 6700; Red Max G561AVS and G621AVS; Skil 1641; Tanaka ECS505, ECS506, ECS650 and ECS655Gauge: .050, Drive Links: 60, Length: 16 ", Pitch: 3/8", Type: Replaceable Sprocket Nose