MaxPower's 331982 includes (1) Universal Gold Metal Commercial Mulching Blade 22" cut, a cover washer, and 6 reducing washers in the following sizes: 3/8", 7/16", 9/16", 1/2", 5/8", and 13/16". The blade measures 22" long by 2-1/2" wide with a 1 point center hole. Commercial mulching blades feature greater cutting surface for increased mulching performance, sharpened cutting teeth for a precision cut, and a centrifugal air lift design for uniform chopping distribution. MaxPower blades are proudly manufactured in the USA to meet or exceed OEM specifications.