Features: The main material of the terminal mount fuse block kit is thermoplastic PPS. The studs and nuts are made of stainless steel for high temperature resistance and good electrical conductivity. The simple construction of the terminal fuse block makes it easy to install in a car battery through the safe connection of the fuse holder. The compact design helps save installation space. This terminal mount fuse block kit is suitable for use in new energy vehicles, RVs, cruise ships, cranes, batteries, charging stations, and other DC main power applications. The base is made of flame-retardant nylon. The metal components are nickel-plated copper and stainless steel studs, with an insulating cover that provides insulation and protection. This compact high-ampere fuse block is designed for DC power supply, inverters, and other circuit protection applications. Specifications: Material: Plastic + Metal Size: As shown in picture Rated Current: 50A, 80A, 100A, 150A, 200A, 250A, 300A Maximum Voltage: 58V Note: Please allow 12 cm error due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding. Package Includes: 1 Set Terminal Fuse Block