2,000 lb. Standard Spring Trailer Axle (55" Hub Face, 5-4.5" Bolt Pattern) B001MX22MI
3,500 lb. Standard Spring Trailer Axle (73" Hub Face, 5-4.5" Bolt Circle) B001MX9VGS
3,500 lb. Standard Spring Trailer Axle (95" Hub Face, 5-4.5" Bolt Circle) B001MXBIUA