The MaxPower Universal Gold Metal Mulching Blade for 20 in. Cut Mower includes (1) universal gold metal commercial mulching blade for 20 in. cut mowers. This mulching blade measures 20 in. L and 2-1/2 in. W with a 1 in. center hole. It includes a cover washer and 6 reducing washers in the following sizes: 3/8 in., 7/16 in., 9/16 in., 1/2 in., 5/8 in. and 3/16 in. The commercial mulching blade features a 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 to meet or exceed OEM specifications.