1.Bluefighter series 2.15A three-pin round socket 2.Good finish, PC and rigid copper material, silver contact Advantages of 16A three-pin round socket(Blue fighter series):1) Model design, good finish, high quality2) High quality Polycarbonate and copper 3) Silver contact material4) Easy installation and safe operation 5) Lifetime: 12 year 16A three-pin round socket-Blue fighter series