12 Gold RCA Panel Mount Jacks with Black & Natural color Insulating Washers. These Gold RCA Panel Mount Jacks can be used as Direct Chassis Mounts with or without using Insulating Washers Six Red and Six White Gold-plated RCA Jacks Gold-plating for Maximum Signal Transfer Color-Coded for Easy Identification Mounts Directly in 1/4 or with Insulated washer in 3/8 Hole Ideal for repair, manufacturing and prototype use