Toothed Blade / AYP 137380Pack Size:1AYP 137380, AYP 156468, Craftsman 137380, Husqvarna 532 13 73-80Aladdin US44, Edgewater 156118, ESF 114-078, Foley/Belsaw 5979929, Foley/PLP 114-078, Green Line 156264, Green Meadow USSE971, Laser L1604, Laser 91110, Laser 91489, Oregon 95-609, Oregon 95-018, Prime Line 7-06312, Prime Line 7-06316, Rotary 6196, Sunbelt EP-1014, Sunbelt SB-6196, Sunbelt B1EP1022, Sunbelt B1EP1014AYP Front engine lawn tractors; requires 3 for 50" deck; Sears Front engine lawn tractorsLength: 17 3/8 ", Center Hole: 5 pt. star, Width: 2 1/2 ", Thickness: .187 ", Not recommended for use with mulch kit, Recommended to use our 285-383 heavy-duty spindle assembly