Amass 4.0mm Gold Plated Connectors (Male + Female)

Body: Brass

Spring: Beryllium copper

weight:2.86g/set

spring connectors, not your standard banana connectors as these have more contact area for higher current and a more reliable connection.

Amass make plugs for Philips and Panasonic. it is the most reliable Hobby plugs you can find in the markets. it is not the Knock off plugs that can compare with( welcome to compare)