Low-Lift Blade / AYP 850972Pack Size:1AYP 850972, AYP 33203, AYP 701211, Craftsman 850972, Craftsman 33203, Craftsman 145016, Husqvarna 532 85 09-72, Poulan Pro 532-850972Aladdin US29, Edgewater 156670, ESF 114-860, Foley/Belsaw 5977206, Foley/PLP 114-860, Green Line 156037, Green Meadow USSE14, Laser L1804, Laser 91250, NHC EP1004, Oregon 95-024, Prime Line 7-04646, Rotary 6037, Sunbelt SB-1043, Sunbelt SB-95903, Sunbelt EP-1004, Sunbelt SB-6037, Sunbelt B1EP1004AYP 20" walk behind; Husqvarna 20" walk behind; Poulan 20" walk behind; Sears 20" pushmowersLength: 20 ", Center Hole: 5/8 ", Outer Hole: 3/8 ", Center To Center: 1 7/8 ", Width: 2 1/2 ", Thickness: .149 "