Polaris PL3/0-8 3/0-6 Awg Uninsulated Multi-Tap Con 8 Port
https://testing.nsiindustries.com/product/8-port-uninsulated-multi-tap-connector-3-0-6-awg/
Polaris Uninsulated Multi-Tap Connectors form secure connections between multiple conductors with an efficient aluminum body plated for corrosion resistance. Installs with a hex key and torque wrench, with no need for cover and taping.