Smally self-locking rings are great for use in high speed applications where vibration and rapid acceleration is common. These rings are easy to install and it's easy to tell if it's been installed correctly or not.

Smalley's website can provide you with more details regarding the self-locking springs:
http://www.smalley.com/retaining-rings/self-locking-rings

Take a look at this page to read about our Hoopsters!
http://www.smalley.com/retaining-rings/hoopster-retaining-rings