Material:copper+rubber, Fuse holder dimension:41x35x15mm In-line fuse holder for standard blade fuses, Suitable for 1A,2A,3A,5A,7.5A,10A,15A,20A,30A,40A, ideal for car truck atv boat 10 AWG thick red pigtail wire allow you to cut and splice it into any project, Wire length:6 inches wire each side. Wire range:10 AWG Waterproof design, the rubber cap fits on tightly to protect any standard blade fuse inside.NOT easy to fall off or let water in. Package Included: 2 X Standard Blade Fuse Holder and 2 X 40A Standard Blade Fuse