Du-Bro 818 4-40 Safety Lock Kwik-Link (12-Pack)
Brand: Dubro Products
Self tapping leaving no slop on threads
Square shank for easy installation and adjustment
Brass plated stepped steel pin no binding on control horns or servo arms
Brass plated steel safety lock slides into groove on pin for a secure and solid lock
Safety Lock is mounted in trac system on clevis to help prevent losing it