Sealed In-line Fuse Holders from Littelfuse are the perfect way to protect overflow and auxiliary circuits in your work truck. They are designed with an integral cover which seals the product allowing it to provide a high level of protection against environmental conditions. With the ability to be mounted universally anywhere, they are perfect for use in applications where space is limited. Available in a variety of sizes and configurations, you can easily find the perfect one for your needs to keep your truck up and running.