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Product: 4 Post Power Distribution Block Bus Bar Pair with Cover - Made in The USA - 250 Amp Rating - Marine, Automotive, and Solar Wiring (5/16") Pair of 4 post power distribution blocks in red and black for positive and negative connections. The contact plate is made of nickel plated brass to handle high current while resisting corrosion. Rated for a maximum of 250 amps at 12vdc. The glass filled nylon base has mounting holes on a 5.7" center. Includes stainless steel washers and nuts for corrosion resistant connections. INCLUDES BOTH RED AND BLACK: With this 2 pack of 4 post power distribution blocks, you will have plenty of connection points for both positive and negative wiring terminals with 5/16" holes..
IDEAL FOR AUTO AND MARINE WIRING: Wire up to a 4 accessories with this 2 pack of bus bars. Each bus bar includes a cover to protect connections from damage and corrosion.
MADE IN THE USA: You can be sure you're getting high quality parts that are made right here in the USA. We are USA based, firefighter owned, and we stand behind our products.
ORGANIZING MADE SIMPLE: With these power distribution blocks you can finally organize your wiring so it doesn't look like a rats nest under the hood any more.
100% SATISFACTION GUARANTEED: If you have any issues with your order, contact us and we will make it right. R2X Racing Red/Black

Product: 5/16" Battery Terminals Blocks Positive Negative 12V - 48V DC Insulated Heavy-Duty Dual M8 Studs Power Distribution Junction Block Red Black 2 Pack Specification:
Color: Black and Red ( Black for Ground, Red for Positive)
Base Material: Nylon, Glass Fiber reinforced.
Max Operating Voltage: DC 48V.
Max Amp per circuit: Determined by the wires connected.
Stud Size: M8( 2 x M8 (5/16")).

The base is made of flame retardant plastic to provide more safe for you.

Installation Method: easy to install,just fix the provided screws to install.

Package Include:
Red Double Terminal Studs( M8) x 1;
Black Double Terminal Studs( M8) x 1;
Screws x 4
The Battery Power Junction Post is great for connecting multiple power lines to one source, helps keep wiring neat
Suitable for DC12V/ 24V trucks, RVs, coaches, boats, automotive, marine etc. Max Operating Voltage DC 48V
Allow terminating of heavy-duty cables( Negative and Positive) for one or more connections
Glass Fiber reinforced Nylon base ensures great mechanical strength and durability
Package include: Red( Positive) Double Studs（M8） *1; Black( Negative) Double Studs（M8） *1; Screws *4 Gloaso Black& Red