These are 2-56 Spring Steel Kwik Links|
for .072" diameter wire.
Two Kwik Links with link guards (retainers) 1" long.
Spring Steel Kwik-Links are the tried and true top quality
kwik-link. Ideal for any control linkage and hook-up. Use with
threaded rods or threaded couplers. Solder Kwik-Links are nickel
plated making a strong, attractive and easy to solder connector
for servo or horn.