Use these LED Keeper Pods with the LED Keeper (sold separately) to replace a damaged or non-working LED socket easily and safely. Just cut the socket out of the wire and place the two cut wires in each side of the socket replacement Pod. Squeeze closed and the string's electrical balance is restored. No need to remove insulation or use any special tools to keep your LED lights shining through the night. Packaged in packs of 4, they are a must have to make your LED strings last longer.