Vibrant Brass Olive Inserts 3/8in - Pack of 5

These brass olive inserts from Vibrant are designed for 3/8 inch tubing. They are made from brass, which is a solid material for fittings like these. You get a pack of five inserts, which is handy if you're working on a project that requires several connections.

These inserts are useful when you're using adapter fittings with a straight thread, and the port you're sealing doesn't have a place for a standard O-ring gasket. They help create a seal in those situations. They are intended to work with Vibrant Performance Metric Adapter Fittings, so if you're using those, these will pair up nicely.