These Tuf-Steel R/C links are carefully manufactured and precision heat treated for
maximum strength. Standard 2-56 R/C links: standard R/C link with 1/16" dia. pin to fit regular nylon control horns and aileron bellcranks.
Heavy duty 4-40 R/C links: for use where extra strength is needed.
Recommended for giant scale size R/C models, C/L stunt planes, and boats.
Strong 5/64" dia. pin.
For more information and option to buy link to: www.sigmfg.com