Gardner Bender GGS-1032HCN Hex-Head Ground Screw, 10-32 x &frac12; inch, 100 Pk, Green Hex-Head Grounding Screws secure ground wires to circuit box SUITABLE FOR MOST grounding job requirements FOR USE WITH: metal outlet and switch boxes Loop ground wire under screw head and tighten PAIR with Gardner Bender grounding connectors