This is a set of 4 Du-Bro fuel line plugs (2 small, 2 large).These are also known as fuel dots. 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.
Tuesday, Jun 16 2020 (10 months ago)
DuBro Fuel Line Plugs
They work well as expected. Get two sets so you have some spares.