This is the JConcepts et of 3mm Plastic Nuts, (28). This JConcepts et fits many 3mm and 4-40 screw applications.
Locknut security is crucial while building any assembly. In today’s racing environment it's important to be secure while being lightweight. The introduction of the 28 piece, molded, 3mm locknut gives a flexible, lightweight design to just about any application. In addition to the compact and user friendly design, the convenient 5.5mm hex design allows for the use of the popular sized nut driver for the easiest on and off accessibility.