Blue Sea Systems EasyID Fuse Kit - 31 pc.Blue Sea's easyID illuminated ATC blade fuses use Light Emitting Diode (LED) technology to show that a fuse has blown, making them easy to spot in fuse panels tucked up under dark dashboards. Replaces non illuminating ATO or ATC fuses; Fast acting; Contents: (3) 3 Amp; (3) 5 Amp; (3) 7.5 Amp; (3) 10 Amp; (6) 15 Amp; (3) 20 Amp; (3) 25 Amp; (3) 30 Amp; (3) 40 Amp;