This is a pack of four optional Yokomo 4mm Aluminum Serrated Flanged Nuts, and are intended for use with the Yokomo BD7 1/10 scale touring car. These are not nylon lock nuts, they are serrated on the back side of the flange to lock into the wheel for better security.
This product was added to our catalog on November 27, 2012
Monday, Nov 11 2019 (about 2 years ago)
Yokomo 4mm Aluminum Serrated Flanged Nut (Black) (4)
High quality wheels nuts, as you would expect from a brand like Yokomo. I use these on my XRAY xb2.