This is a set of four Traxxas Blue-Anodized Aluminum 4mm Lock Nuts with a Flanged and Serrated surface.Features May be used in any application requiring this size locknut Serrated rear section...
These are 5mm Nylon Locknuts by Traxxas.
Blue anodized aluminum construction.
Four 5mm locknuts.
Thickness: 4.95mm (.195")