1/4 - 28 x 2 Screw Size White Nylon Headlight Adjusting Nuts Compare With: G.M. # 343543, 343555, 354076, 362379, 3921446, 15705372, 343541, 343542, Auveco # 11246, Disco # 9351PK, 11246B, Car-Pak # CRX2050, Lawson # P24881, Car-Pak # 75-4129, Winzer # 502.3005, Wurth # 150156011