Replacement Trailer Spindle Nut Retainer 6-190 Fits Dexter Axles Retainer from 2K to 8K 600 to 1100 Pounds Axle Hubs nut retainer 4X Trailer Spindle Nut Retainer Fits Dexter 2K - 8K Spindle Nut Retainer axle retainer Fits Dexter 600 To 1100 Pounds Axle Hubs Replace part number：006-190-00、6-190 spindle nut retainer, you do not need to clamp the cotter pin and retainer on top of the nut, it is much better than the cotter pin and lasts longer