The SeaDog 445097-1 is an inline LED mini fuse holder. It is designed for ATM mini-style fuses. The holder has a 30 Amp capacity. It features a built-in LED indicator that activates when the fuse is blown. The wire lead is 12 gauge and 6 inches in length. The overall length is 1-9/16 inches and the overall width is 15/16 inches.