Replace For Part Number-The lawn mower blade replaces part number 2105200317, 2105200317A, 84005221. Fits Models-Compatible with Murray 21"Cut Walk Behind Mower[2020]: MNA152901 、MNA152903; Murray 21" Walk Behind Mower[2021]: MNA152702、MNA152703; Hyper Tough 20" Walk-Behind Mower: MNA152701; Black Max 21" 2-in-1 Gas Push Mower[2021]: MNA152905. Dimension-The package contains 2 mower blade. Length: 21", Width: 2.15". The lawn mower blade comes with an oval center-hole pattern. Please check your part number, compatible model, and blade pattern before your order. High-Quality Material-The mower blades are made of durable and long-lasting carbon steel material for excellent performance and long life. Powder coating helps to avoid rust. Extended cutting surface improves the efficiency of cutting. Improved Lawn Care-By using this replacement blade, the mower's cutting ability and engine performance is maintained, the lawn is neatly trimmed, the equipment runs efficiently, and ultimately the overall lawn care experience is enhanced. Replace For Part Number:

2105200317

2105200317A

84005221

Compatible With:

Murray 21"Cut Walk Behind Mower[2020]

MNA152901

MNA152903

Murray 21" Walk Behind Mower[2021]

MNA152702

MNA152703

Hyper Tough 20" Walk-Behind Mower

MNA152701

Black Max 21" 2-in-1 Gas Push Mower[2021]

MNA152905

When purchasing replacement mower blades, it is important to make sure the new blade is the same dimensions as the old blade:length, width, center hole, etc.