WirthCo Battery Doctor Taps for Vacant Energized Slots in ATM/Mini-Fuse Block Kit is designed to provide a tap for connecting slip-on terminals. This kit requires the installation of an in-line fuse for new circuits. The kit consists of 3 taps and 6 slip-on terminals. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.