Professional DIY Waterproof Fuse Kit: Build a Reliable Circuit Defense for Your Car, Marine & Outdoor Equipment This ProCircuit Inline Fuse Holder Kit is a professional-grade circuit protection solution for DIY enthusiasts, car audio installers, boat owners, and off-road adventurers. The kit includes all high-quality components: a rugged PA66 engineering plastic waterproof housing, a highly elastic silicone sealing ring, and highly conductive brass crimp terminals. Simply use a standard crimping tool to securely attach the 12-10 AWG gauge terminals to your wires, insert the fuse, and snap the housing closed to quickly create a professional fuse holder with a fully custom length and IP67-rated complete dustproof and waterproof protection. Whether you're adding fog lights to your car, installing LED light bars on your pickup truck bed, upgrading the stereo system in your RV, or wiring a fish finder on your boat, it ensures your auxiliary circuits remain safe and worry-free in rain, mud, high-pressure car washes, and under-the-hood high temperatures.