"oregon" Chain "in Roll 3/8" Pitch, Thickness 1.3 Mm - 30.5 Meters, The 91p Is Ideal For Home Maintenance And Occasional Use, For Users Who Want A Vibrating Chainsaw And Reduced Recoil: The Double Cutting Angles Of The Chamfer Chisel Guarantee Extraordinary Performance, The Anti-rebound Connection Link In Combination With The Depth Limiter, Guarantee A Reduced Recoil And High Performance. "