The Blue Sea 5015 ST Glass Fuse Block with Negative Bus is a reliable and high-quality electrical component designed for marine and watercraft applications. With a shipping weight of 0.8 lb. and dimensions of 2 x 8 x 4 inches, this fuse block is compact and easy to handle. The product comes from Blue Sea Systems, a trusted brand known for producing durable and efficient marine electrical products. It includes related accessories such as fuses and connectors to ensure a complete and secure electrical setup for your watercraft.