JConcepts Illuzion 17mm Lightweight Closed End Wheel Nut (Blue) (4) (Fine Thread)
[JCO2073]

JConcepts Illuzion 17mm Lightweight Closed End Wheel Nut (Blue) (4) (Fine Thread)
John Martin - Rating: 5 of 5 Stars! Verified Owner Sunday, May 05, 2013
Agreed. These wheel nuts lock down securely. I've mounted my wheels and double check before each qual/main and never noticed any backing off. Best wheel nuts, highly recommend.