16 chainsaw saw chain 66 links 0.325 1.5mm 0.0058please ensure details listed match those of your chaindrive links number of links that sit in guide barpitch measure between 3 rivets divide by 2gauge distance between rails on guide barplease count the links on your existing chain before ordering to ensure correct chain length most chainsaws offer more than one bar length option, so chain size will vary too.suitable for the following modelsdolmar 109, 110, 111, 112, 113, 114, 115i ,116, ps460, ps500, ps510, ps540, ps4600, ps5000echo cs 3600, cs 360evl, cs 4000, cs400evl, cs 4010, cs 440evl, cs 4500, cs 4510, cs 4600, cs 4610, cs 5000, 5100, cs 4400, cs 4200husqvarna 55,133, 136, 137, 140, 141, 142, 154, 234, 235, 238, 240, 242, 246, 254, 257, 261, 262, 340, 345, 346, 350, 351, 353, 355,357, 359, 360, 362, 444, 450, 455, 460, el16, el2400, el1500, el1600, 555,560xp, rancher 455 455ejonseredel14, el 1200, 45e, 49sp, 50, 52, 2014, 2015, 2016, 2012, 51, 370, 380, 410, 420, 425, 435, 450, 451evs, 452, 490, 455, 450, 451, 455, 510, 520, 521, 510, 520, 525, 535, 590, 2012, 2014, 2015, 2016, 2036, 2040, 2041, 2045, 2149, 2050, 2063, 2051, 2054, 2055, 2063, 2150, 2145, 2141, 2152, 2153, 2156, 2159, 2163, 2255makitadcs430, dcs520, dcs4300i, dcs5200i, dcs431, dcs520, dcs43001, dcs431, 45mitox cs450x premium, 45cs propartnerel1450, el1650, 400, 410, 460, 360, 450, 500, 5000, 405, 450, 470, 510, 540, 465, 400, 495, 510, 540, 500, 545, minifarmersaw, p500, p5000, p5500, 1200el, 1400el, 1450, 1500el, 1650, 410, 460, 510stiga sp460, sp510timberpro cs 5800, cs 6150chain equivalent to oregon 21, carlton k2c, stihl rapid micro, stihl 25rm, husqvarna h27, em s27, windsor 58j, homelite 32 m58, gb sabre, tsc, excel 528, dolmar 83, mitoxmior66ex21bpx