Features: The main material of terminal mount fuse block kit is thermoplastic-PPS, studs and nuts are made of stainless steel for high temperature resistant and good electrical conductivity. The simple construction of terminal fuse block makes it very easy to install the device in the car battery through the safe connection of the fuse holder. The small size fuses can also save installation space. This Terminal Mount Fuse Block Kit can be widely used in new-energy vehicles, RVs, cruise ships, cranes, batteries, charging piles and other DC-main power. the base is made of flame retardant nylon, the metal part is nickel plated-copper, stainless steel studs, insulating cover, flame resistant, and provides insulation-protection. Compact-high ampere-fuse block, suitable for DC-power supply, inverter-and other circuit-protection. Specifications: Material:Plastic Size:6.2x2x4.5cm/2.44x0.78x1.77inch Rated-Current: 60A 100A 150A 200A 250A 300A Maximum rated-voltage: 58V Stud Size: 5/16"(M8) Terminal mounting hole: 3/8" Thickness: 2.5mm Package Includes: 1x Terminal Fuse Block note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.