Wide Application This Bus Bar Terminal Block with Cover is suitable for use in cars, pickups, trucks, motorcycles, RVs, yachts, ships and other vehicles and vessels. Material and Design Made from copper and nylon, this Power Distribution Block with Cover resists temperatures and wear. Its sturdy construction supports longterm use without compromising performance and includes a protective cover for added safety. Dimensions and Package Contents Size: 10.5 cm x 2.28 cm x 2.8 cm (4.13 in x 0.90 in x 1.10 in) Package includes: 2 Power Distribution Blocks and 4 screws Specification Rated 150 A at DC 48 V or AC 300 V Applications Automotive electrical distribution: connect and distribute power to multiple circuits in cars, pickups, trucks, motorcycles, or RVs. Marine use: main bus distribution on yachts or ships with a protective cover for safe operation. RVs and portable systems: organize wiring for accessories, solar setups or additional circuits in recreational vehicles.