GB Extra Long Single End Bar 64_.404_ X .063_ SPROCKET NOSE solid steel bar.Takes 180Ê links of G730-3 chainMAY REQUIRE AN ADAPTER TO FIT YOUR SAW. SEE DETAILS BELOWFITS GRANBERG MILLS:60_ ALASKAN MILL Ð G778-6072_ ALASKAN MILL Ð G778-72GB is one of the only manufacturers in the world capable of producing extra-long bars and variations made for special applications, such as chain saw mills.GB extra-long bars are crafted from solid, high-tech titanium alloy steel with precision-ground groovesÉby far, the toughest, most-durable extra-long chain saw bar in the world.These extended-length bars are fitted with GBÕs rugged replacement nose sprocket, which was originally developed for mechanical harvesting applications. This nose system is easily replaced in the shop or on the job.SUITS LARGE STIHL and ECHO (also suits HUSQVARNA and JONSERED with spacersÊ*sold separately)Our extra long bars will work with NO ADAPTOR in STIHL 880 & 881. Smaller Stihl saws will require a 12-14mm ADAPTER . They will also work with large mount Husqvarna when used with 9-12mm ÊADAPTER. WILL NOT work with small mount Husqvarna, as listed below:Husqvarna small mount (Will NOT work):23, 33, 36, 38, 40, 41, 42, 44, 45, 49, 50, 51, 55, 55 Rancher, 57, 133, 136 ,137, 140S, 141 ,142, 154, 234, 238, 240, 242, 242XP, 243, 246, 254, 254XP, 257, 261, 262, 262XP, 336, 339XP, 340, 345, 346, 350, 351, 353 ETECH, 357XP, 359 E-TECK, 360, 362, 362XP, 444, 455, 455R, 460, 466Husqvarna small mount styles DO NOT WORK with our bars, even with an adaptor. Make sure to check your saw model.Husqvarna large mount:61, L Series: 65, 66, 70, 77, 160, 162, 181, 185, 260, 266, 268, 272, 281, 285, 288, 288XP Lite, 298, 365, 371, 372, 372XP, 372XPW, 380, 385XP, 385XPG, 385XPW, 394, 394XP, 395XP, 395XPW, 480, 1100, 2100, 2101, 3120, 3120XP