N2 096-3727 Semi-Chisel Chainsaw Chain for 18-Inch Bars &ndash; Replaces Husqvarna 531300439 &ndash; Fits Selected Models Fits Husqvarna: 41, 45, 49, 51, 55, 336, 339XP, 340, 345, 346 XP, 350, 351, 353, 435, 440, 445 and 450e Also fits models in these brands: Alpina/Castor, Dolmar, Echo, Homelite, John Deere, Jonsered, Makita, McCulloch, Poulan/Poulan Pro, Red Max, Sears, Shindaiwa (SDK), Solo, Tanaka, & Troy Bilt Also replaces Oregon 20BPX072G & Carlton K1C-72E; Heat treated with hard chromed cutters; Cutter top plates are longer for greater chain life Ramped depth gauges allow smooth cutting while reducing kickback & vibration; Engineered for precision balance & low vibration; Lubrication is applied to rivet & drive link at assembly; Pre-stretched for less stretch when running the saw; Factory Certified ISO 9001:2000 registered Warranty: This part shall be free from defects in material and workmanship under normal use and service for three-months from the date of purchase; You can return this item (for any reason) if you ask for a return within 30 days of receiving your order and have not installed your product