This is a fuse box. Can be secured via 2 pre molded holes, each fuse holder is numbered to make fuse installation and identification as easy as possible. Convenient for examination and repair, easy to troubleshoot in outdoor; widely used in airplane, subway, bus, ship, tanker, modified car, , etc. Feature - ColorAssorted Color - Material: Plastic and Metal - Fuse Holder Dimensions: 86 x 53 x 42 mm / 3.38" x 2.08" x 1.65" (LxWxH) - Mounting hole Diameter: 5 mm / 0.19" - Two Mounting holes diameter: 78mm / 3.07" - Package size: 9 x 5.3 x 5.5 cm / 3.54" x 2.24" x 2.26" (LxWxH) - Wattage: Up to 30V DC - fuse box. Can be secured via 2 pre molded holes, each fuse holder is numbered to make fuse installation and identification as easy as possible. - Wide Application: Cable connection via side, plated 6.3mm (standard) terminals. Convenient for examination and repair, easy to troubleshoot in outdoor; widely used in airplane, subway, bus, ship, tanker, modified car, , etc. - Fuse Protection Cover: A neat clip-on plastic cover that adds extra protection to your fuse box & . - Great Performance: Clear, vibration resistant, snap , easy to operate, and design. - Sturdy & Robust Construction: Plastic and Metal Material, the fuse box is made by tin-plating copper components, and tasteless layer, good hardness and conductivity, durable construction. Package list: 1 x Fuse Box Holder 4 x (10A / 20A / 30A / 30A)