12V Car Add-a-circuit Fuse Blade Style ATO/ATC ATM Kit Low Profile Fuse(Small) Protects Original Circuit and Provides A Lead For New Circuit 12V Car Add-a-circuit Fuse Blade Style ATO/ATC ATM Kit Turns one fuse slot into two while providing Protection for both circuits Easy to installation and 16 AWG wires Includes 3,5,7.5 and 10 amp fuses