18" Jonsered Bar & Chain - Bar is .325 Pitch - 72 Drive Links - .050 Gauge Chain This bar & chain fits many models. Make sure your chainsaw takes a .325 Pitch Pro Chain. If you aren't sure, contact me and I will look it up for you. Bar & Chain Fit These Models: Echo: CS-400, CS-440, CS-510, CS-520, CS-3600, CS-3900, CS-4000, CS-4100, CS-4400, CS-4500, CS-4600, CS-5000 Jonsered: 2014, 2016, 2035, 2036 Turbo, 2037, 2040, 2040 Turbo, 2041, 2045, 2050, 2050 Turbo, 2054, 2135, 2137, 2138, 2141, 2145, 2149, 2150, 2152, 2152W, 2153, 2240, 2245, 2250 Makita: DCS 34, DCS 330, DCS340, DCS341, DCS390, DCS390S, DCS400, DCS401, 5012B, 5014B, 5016NB, UC3500, C4000 Olmpky (Oleo-Mac): 941, 945, 950, 951 Sears: 35201 Shindaiwa: 360, 366, 377, 400, 415, 416, 446s, 450, 451, 488, 488s, 500 Tanaka: ECS-415, ECS-4000, ECV-4501