Features: 1.Usage: Power distribution block can collect the all the electrode harnesses and wires for neat and safe storage and wiring. 2.Easy Install: Bus bar 12v marine cover allow 180 wire lug installation and can meet variety kinds of installat methods of end terminals. 3.Safety Cover: 4 Terminal bus bar with a detachable cover to ensure safety connection, which can be used in marine environments. 4.Excellent Transfer: Power distribution block with nickel plated brass contact plate for optimal current transfer and weather resistance. 5.High Insulation: Stud power distribution block adopted glass filled nylon base for superior insulation and strength, which is convenient to use. Specification: Item Type: Power Distribution Block Product Material: ABS, Zinc Alloy, Brass, Nylon Maximum Voltage: DC 48V Continuous Current: 300A Screw Specification: 4 x M8, that is, 5/16in screws. Product Function: Gather the wiring harnesses together and reasonably store the wires inside the vehicle and ship. Applicable Scope: In the power systems such as cars, RVs, ships, and yachts. Size: Approx. 5.5 x 5 x 10.2cm / 2.17 x 1.97 x 4.02in