Don't let unpredictable weather conditions hinder your electrical system's performance. With the DS18 MFH4 Marine-Grade Fuse Holder, you can embrace any marine adventure with confidence. Engineered to withstand the elements, the MFH4 Fuse Holder is fully sealed, ensuring optimal protection for your fuses. It comes complete with multiple fuses, allowing you to customize your power requirements effortlessly. The included Allen keys make it easy to tighten the fuses and the 4-ga. terminals securely. To further enhance reliability, multiple ferrules are included to guarantee tight and secure cabling connections.• Marine fuse holder• 4 ga.• ATC fuses included• Allen keys included• Tubular terminals included• Water-resistant Multiple fuses allow you to customize your power requirements Included Allen keys make it easy to tighten fuses & terminals securely Multiple ferrules to guarantee tight, secure connections | DS18 MFH4 Marine-Grade 4-Ga. Fuse Holder with Fuses