Item No.: K51C431

.Material: Iron

.Surface treatment: spray plastic

.Product weight: 0.14g

.Type:Trailer Hitch Mount

.Hole diameter where axle attaches:11mm

.Recessed area diameter where axle nut screws onto:21mm

.Hole diameter in hitch where the trailer attaches:6.8mm

.Base plate length:55mm

.It suitable for bikes and kinds of trailers.