Invincible Marine Waterproof In-Line Fuse Holder Made using the highest quality components Performance and quality tested The most trusted name in marine accessories and equipment Constructed of tough waterproof thermoplastic and ideal for use in harsh environments The fuse holder is colored a bright yellow for high visibility Protects on board equipment and includes 20-Amp fuse For fuses up to 30-Amp Comes with a 1-year warranty