Piranha Chainsaw Chain .325 1.5 (.058) 72 Link

.325" low profile 1.5mm (.058) Track/drive link width 72 Links (number of drive links and also number of tie straps) ( usually the number of cutting teeth is this count divided by 2) Replaces: Oregon 21LPX, 21 LPX, Stihl 3638 003 0072, 3638-000-0072, 36380000072 Fits Stihl, Products: (With a 18" Bar) 33, 36, 38, 40, 41, 42, 44, 45, 49, 50, 51, 55, 57, 133, 136, 137, 140, 140 S, 141, 142, 154, 234, 238, 240, 242, 242 XP, 243, 246, 254, 254 XP, 257, 261, 340, 346, 346 XP, 350, 351, 357 XP, 357 XPG, 359, 360, 444, 455 Rancher. File Size = 4.8mm Images of chain are for illustration purposes. Go by the description for the information.