16 Inch .325 .050 66 DL Full Chisel Saw Chain For Echo CS450 CS490 CS510 CS530 Husqvarna 254 340 345 351 353 Oregon 20BP066G ChainsawModel Fit Guide & Compatible With Parts Guide Model Fit Guide Cub Cadet CS 5018, CS5220, CS 5220, CS5018, CS552, CS511 Dolmar 115i, 109, PS 5105H, 119, 111, 115I, 116, 117, 110, PS 540, PS 460, PS 540, PS 6100H, PS 5100S, 115, PS 510, PS 6100, 116si, PS 5105, 120, PS 5100SH Echo CS 3600, CS 4400, CS 520, CS 450, CS 4600, CS 440EVL, CS 400, CS 4910, CS 501, CS 4100, CS 440, CS 550P, CS 500P, CS 450P, CS 490, CS 4510, CS 4500, CS 501P, CS 400EVL, CS