• 4-circuit ST blade fuse block with cover, ideal for cars, trucks, boats, and recreational vehicles. • Provides surface mount circuit protection for ATO/ATC fuses in a compact design. • Supports up to 100 A per block and 30 A per circuit, with a maximum voltage of 32 V DC. • Made with eco-friendly PBT material, heat-resistant, flame-retardant, and mechanically strong. • Single-sided design to maximize space, allowing cable entry from one side. • Includes 20 A, 15 A, 10 A, and 5 A blade fuses, along with screws for installation.