DuBro Bulk Safety Lock Kwik Link, 4-4 (DUB818)

Dubro safety lock has 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  3 sizes available - 2MM, 2-56 and 4-40 in packages of 2 each or 12/package. Ideal for upgrading or replacement on A.R.F.'s. Super strong, super tough. More strength then you'll ever need. 10% lighter than steel clevis'. Size stamped on safety lock for positive identification. Requires: 4-40 Pushrods of modeler's choice Installing clevis' onto pushrods