18" Bar with Pro Sprocket. D176 bar mount. 3/8" STD pitch, .050 gauge chain. Bar uses 66 drive links. Fits Echo.

Dimensions and Specifications
DRIVE LINKS    66
PITCH    Standard 3/8"
GAUGE    0.050"
BAR LENGTH    18"
MOUNTING PATTERN    D176

Fits Models
HUSQVARNA: 340, 238, 460, 44, 33, 351, 545, 257, 353, 133, 242, 362, 246, 154, 254, 346, 466, 234, 261, 57, 359, 455E Rancher, 55 Rancher, 455 Rancher, 362XP, 340E, 346XP, 336, 49, 240, 262, 55, 555, 435, 40, 455, 51, 450, 360, 345, 350, 45, 41, 50, 445, 440e, 350e,
POULAN/POULAN PRO: 395, 5500, 360, 3800, 306, 5200, 4400, 4200, 3700, 446, 203, 361, 3900, 6700, 385, 4900, 4000, 245, 400, 450, 375, 3400, 5400, 5000, 306A, 6000
ECHO/POWER PRUNER: CS602, CS6700, CS60S, CS500EVL, CS510EVL, CS550, CS451, CST610, CS590, CS660, CS680, CS620P, CS60, CS600P, CS452, CS706, CS601, CS8000, CS670, CS500, CS702, CS620PW, CS701, CS-750, CS-610T, CS-501EVL, CS-650, CS-8002, CS-8001, CS-6702
McCULLOCH: Silver Eagle 3720, Eager Beaver 3.7, 610, Mac 7-10, 310, SP60, Mac 1-10, CP70, ProMac 60, ProMac 650, CP70L, ProMac 5700, ProMac 8200, CP55, 510, Titan 70, ProMac 610, Double Eagle 80, Titan 57, SP81, ProMac 570, ProMac 800, ProMac 555, Double Eagle 50, Ti
EFCO: 156, 165
JOHN DEERE: 66SV, 50AV, 70V, 800V, 60V, 51SV, 55V, 55EV, 55SV, 50V, 65EV, 65SV, 80EV, 65
SKIL: 1641
REDMAX: G621AVS
TANAKA: ECS655, ECS650, ECS-505, ECS-506
ZENOAH: G621, G621AVS
FAIRMONT HYDRAULIC: HCS816, HCS824, HCS820