Method of Application : Flush type Method of Connecting Cables : Rewireable Type of Terminals : Screw type Method of Installation : Fixed Mounting Center Distance : 60.3mm Recommended Mounting Box Depth : 35mm Warranty Period : Lifetime warranty* Materials : Plastics: Polycarbonate & Nylon (Flame Retardant) Metal Parts: Brass & Copper Contacts: Pure Silver, Silver Cadmium & Electronic Components