3c75ebfd_e_Comparison___RacingBrake_com__Benefit
[Features] Fastener/hardware [Competition] Use washer and glue [RacingBrake] Use self-locking nuts (Learn more...) [Benefit] 
Positive locking w/o annoying rattling. No threadlocker. Easy to assemble and remove.
Feature Comparison - RacingBrake.com
Benefit