Blade holder hub for HUSQVARNA lawn tractor A : 7 mm B : 25 mm C : 9,5 mm D : 48 mm E : 15 mm Description : For McCulloch Partner Husqvarna 553, 53-625 with pulley Part No. 410178 Original part No. 532189179 HUSQVARNA-MC CULLOCH-PARTNER-FLYMO-MEP