Spindle Pulley / AYP 153532Pack Size:1AYP 129206, AYP 153532, AYP 173435, Husqvarna 532 12 92-06, Husqvarna 532 15 35-32, Husqvarna 532 17 34-35ESF 165-446, Foley/Belsaw 5980251, Foley/PLP 165-446, J. Thomas 532173435, NHC 276-0680, Oregon 44-371, Prime Line 7-05669, Ratio Parts 275-783, Rotary 9148, Sunbelt B1AY32AYP 38" deck One-piece steel — no rivets for stronger bearing, ID: .640 " DOUBLE HEX, OD: 4 7/8 ", Double hex ID, Made by an OEM supplier