Mile Marker Locking Hub - 549 Part #: 549 Line: MIL Mile Marker Locking Hub 1 Year Limited Warranty Quantity: 2 Spline Count: 35 Hardware Included: Yes Housing Material: Stainless Steel Number Of Bolts: 6 Dial Material: Stainless Steel Housing Color/Finish: Chrome Outside Diameter Of Axle (in): 1.422 Inch Outside Diameter Of Axle (mm): 36.12mm Dial Color/Finish: Chrome Show More Show Less