Fits
Ryobi One Cordless 18V Chainsaw, Ryobi Gas Pruners P540, P542, P543, P545, P546, RY52003, RY52003A, RY52604, RY52907, TP30, RY15520 & ZR15520. Also fits EGO Chainsaw CS 1800 18V Cordless.
Dolmar 100, 101, 102, 103, 104, 105, 106, ES-161, ES-171, ES173A, PS-32, PS-34, PS-35, PS-45, PS340, PS-341, PS-350, PS-400, PS-401, PS-420, PS-3300TH, PS-3410TH, PS-3410TH TLC
Efco MT3500 132S, MT3600, MT3700, MT3750, MT4000, MT4100SP, MT3750SS, MT4100SS
Jonsered 2014, 2016, 2035, 2036, 2040, CS2135, CS2137, CS2238S
Earthwise CS30014, YT4729
Husqvarna 23, 137, 142, 36, 136, 141, 235, 236, 240, 240E
Tanaka ECS-35, ECS-290, ECS-300, ECS-320, ECS-330, ECS-350, ECS-351, ECS-355, ECS-356, ECS-370, ECS-405, ECS-3301, ECS-3351, ECS-3401, ECS-3500, TCS-33EB, TCS-3301PFS, TCS-3351PFS, TCS-3401
Redmax G250, G300AVS, G300TS, G2500, G2500TS, G3100TS, G3200EZ, G330EZ, G3800, G3800AVS, GZ380, GZ400, GZ3500T, GZ4000
Worx Wg309

Pitch: 3/8" LP
Gauge: .043"
Drive Links: 40 DL
Bar Length: 10" 

Replaces OEM
Ryobi  693814001