This is the Sullivan 3mm Aluminum Ball Connector with Sleeve.
FEATURES: Ideal for throttle connections and internal servo arms
Constructed of hard coated anodized aluminum for protection against
corrosion and wear
Spring loaded sleeve engages socket onto ball and locks when sleeve
Permits full range of motion and releases easily for changes and
INCLUDES: 3mm Aluminum Ball Connector with Sleeve
REQUIRES: Control rod
COMMENTS: Instructions printed on back of header card.