For Models 55 Rancher, 257, 261, 362XP, 357XP, 359, 365, 372XP, 385XP, 395XP, 3120XP, 455 Rancher, 570 and 575XP * Everything you need to file your chain * Includes file handle, combination filing gauge, 2 round files, and 1 flat file for depth gauges * The combination gauge helps ensure the correct filing angle and simplifies the filing process