Aluminum 4mm Serrated Lock Nut (10) (Light Blue)

Yeah Racing 4mm Aluminum Serrated Lock Nuts are a great option when you need a light weight, flanged and serrated M4 lock nut. These are great for numerous applications, and are available in a variety of anodized colors.

Package includes ten light blue anodized 4mm inner diameter flanged and serrated nylon lock nuts.