Blue Sea 6007 m-Series Mini Battery Switch Selector Four Position Red - 300 Amp 2-Batteries Slammer The 1-1/2" cap has a

The 1-1/2" cap has a slot between holes

Use above or below waterline

Make before break feature allows switching between “1” “All” and “2” while the engine is running

- Rugged metal gears

Excellent weight to holding power ratio

Blue Sea 6007 m-Series Mini Battery Switch Selector Four Position Red - 300 Amp 2-Batteries Slammer The 1-1/2" cap has aBlue Sea 6007 m Series Mini Battery Switch Selector Four Position Red 300 Amp 2 Batteries. M Series Selector Battery Switch (Mini) switches battery bank 1 or battery bank 2 or BOTH to a single load using one switch. Features make before break design. Rated for 300 amps, 500 intermittent, 1500 cranking. Blue Sea 6007 has 2 inputs and 1 output. PLUS, it has the built in capability to parallel both outputs. Its called a 1 2 BOTH switch (and of course it