This axle is used for lawn mower trailers, jet ski trailer, and other small trailer applications. You
would want to use this axle also for a softer ride . Typical trailer widths for this axle are 4', 5' & 6' wide trailers.
Bolt patterns are 4 on 4" and 5 on 4.5" and tire wheels typically are 12" & 13" but can also go up to a 15".