COMPATIBILITY - 6-190 (retainers) and 6-191 (nuts) fit for 1'' thread head D-shape trailer spindles from 2,000–8,000 lbs.(8K axles manufactured after August 2003)
HIGH QUALITY - Made of high-quality steel, long-lasting,zinc plating treatment, corrosion-resistant, rust-resistant, longer service life, The nut's thread is precise and fine and wear-resistant for long-term use on trailers.
EASY INSTALLATION - Use these trailer wheel D-shape spindle nuts and retainers,just fasten the nut and clip the retainer on top. It is more convenient and has a longer service life than the cotter pin,effectively preventing nut loosening during trailer operation.
FUNCTION - Firmly locks the trailer wheel hub and bearing assembly, preventing parts from shifting, wobbling or falling off during operation.Ensures trailer running stability and driving safety on all road conditions.
SATISFACTION GUARANTEE - For whatever reason, if you are not satisfied, you can contact us at any time and we will provide you with a satisfactory solution.Please rest assured purchase.