Mulching Blade / AYP 145106Pack Size:1AYP 145106, AYP 146749, Craftsman 33255, Husqvarna 532 14 51-06, Poulan PP22055Dealer Choice 50-2425, Green Meadow USSE206, Laser 91009, Lowe's 19928, NHC EP1018, NHC 212-0400, Outdoor Factory Parts 578445606, Oregon 95-051, Prime Line 7-06318, Rotary 6235, Rotary 15-3468, Sunbelt EP-1018, Sunbelt SB-6235, Sunbelt B1EP1018AYP Craftsman 20" deck; Husqvarna 20" deckLength: 20 ", Center Hole: 5/8 ", Outer Hole: 3/8 ", Center To Center: 1 7/8 ", Width: 2 1/4 ", Thickness: .134 "