DELight 10Pcs Female Vampire Plugs for Christmas Lights are designed to create secure and reliable connections in a snap, ideal for DIY enthusiasts and professionals Simply cut off wire jacket, attach copper wire into the plug, and snap the cover closed Ensure the safety and longevity of your outdoor lighting with these UL-certified plugs These SPT-1 female slip plugs are the optimal addition to any outdoor lighting project Female Plug Dimension(LxWxH) 1 3/16' x 13/16' x 1 1/4' (3 x 2.1 x 3.2 cm)