12k-16k Trailer Spindle Castle nut 1-3/4"-12 - Carter, Rockwell, Alko, Lippert Axles
Standard use on 1-3/4" spindles, which are found on 12,000 to 16,000 lbs. capacity Lippert axles, Carter Axles, Rockwell Axles, Alko Hayes Axles.
1-3/4" Inner Diameter
