Description: This device is used for branch circuit protection and has good conductivity.Main line: M5 threaded stud (100a 32V DC. Max), suitable wire diameter: 4-6 AWG,Single wire: M4 threaded stud (30a 32V DC. Max), suitable wire diameter: 12-16 AWG.Made of premium PBT PC plastic material, strong, insulated, heat resistant and flame resistant, not easy fracture, deformation, combustion or short circuit.Easy and convenient to use, easy for you to check and replace the blown fuse.With transparent protection cover, easy to operate, waterproof and dustproof.Suitable for Cars, Buses, Tankers, Boat, Marine, Truck, SUV, Yacht, RV, Ships etc. Size Chart: Material:Plastic+Copper+RubberSize:Approx.15x7x3.5cm/5.91x2.76x1.38inchMaximum voltage: 32 (V) Package Includes: Package Style A:1x Fuse Box,4x Screws,70x StickersPackage Style B:1x Fuse Box,4x Screws,80x Stickers,24x Fuses(6x20A, 6x15A,6x 10A,6x 5A)Package Style C:1x Fuse Box,8x ong Screws,4x Short Screws 70x Stickers,42x Fuses(8x 5A,8x 10A,8x 15A,6x20A,6x25A,6x30A),1xScrewdriver,1x Fuse Extractor,12x Heat Shrink Tubes,1x Wire Stripper. Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!