Tapa-Circuit with Dual Fuse Holder. Turns one fuse slot into two. Plugs into occupied or vacant energized fuse block slot. Provides one fuse holder to protect existing circuit, and a second fuse holder for new circuit. 10-amp rating at 12 volts. 16-gauge lead for new circuit is 5in L includes insulated crimp-type coupler. Fits Mini Fuse Blocks.