Includes (1) 585550072 Cutting Chain. New, retail packaged. Please consult owners manual for proper fit and identication. C83 is a standard sequence, chisel cutter, and round ground chain that can be sharpened with 7/32" files. This chain has 72 drive links and is compatible with 20" bars. Husqvarna chainsaw blades are pre-stretched at the factory resulting in longer-use without the need of adjusting. The 3/8" pitch and .050" gauge chain is designed for full-time professional forestry saws. Compatible with the Following: 555, 562 XP, 390 XP, 585, 592 XP