This is a set of 4 Dubro Fuel Line Plugs (2 small, 2 large). These are also known as fuel dots.
FEATURES: The plastic plug has a ball that extends 1/4" into the fuel line for a positive seal.
INCLUDES: Two small fuel line plugs Two large fuel line plugs
REQUIRES: Installing into the end of a fuel line
COMMENTS: The small size fits 1/16" (1.5mm) and 3/32" (2.3mm) size tubing and the large size fits 1/8" (3mm) and 5/32" (4mm) size tubing.