No matter what the weather, these fuses will tether! These are steadily burning Christmas light fuses that reduce your electricity bill while being easy on your wallet. These fuses are universal enough to be perfect for your house party evenings or to complete a whole outside light show! Product Features: 5 amps Can use with C7 or C9 Christmas lights that use single tubular fuses UL certified and approved for indoor or outdoor use Material(s): glass/metal Note: includes 5 packs of 2 fuses for a total of 12 fuses