JEGS Weather Seal Inline Fuse Holders protect your electrical system from the outside elements while also providing control from system overload. Available in 12 ga. holders with and without an LED (flashes when the fuse blows) for use with 5-30 amp ATO style (blade type) fuses (sold separately) and includes bullet type crimp connectors. Also available in a 6 ga. 50 amp holder with LED, 50A fuse, butt connectors and heat shrink tubing.