2.625" ID 16 TPI 1"(25mm) Wide, Octagonal axle nut  

2-1/2" ID 16 TPI 1"(25mm) Wide, Octagonal Axle Nut Comes with 2 harden bolts and washers to lock the nut using your existing keyed lock was...

65mm ID Metric Axle Nut SUITS: RUBERY OWEN (METRIC) Comes with 2 Hardened bolts and washers to lock the nut, using your existing keyed lock washer ...