12-1/4" x 5" 2 x Hydraulic Trailer Brakes Assemblies Compatible with Dexter 12k & 15K Trailer Axles, Replace #K23-408-00, K23-409-00. Application Compatibility: The 12.25 x 5" hydraulic trailer axles assembly are compatible with 12K & 15K general duty axles with 7 bolt mounting.
