The NSI PG12C-8 50-Piece Pack of Grounding Pigtail Combos offers a simple solution for adding a ground wire and screw into your electrical installation. Each pigtail combo includes a solid 8-inch green 12 AWG solid wire and a green grounding screw of the combination screw terminal type. Comes pre-assembled to save you time on every installation. Stock products you can rely on—stock NSI.