1.bekelite lampholder /lamp base 2.long life 3.competitive price 4.CE, CCC, SASO, ... ,ROHS approval, anti-flaming Bakelite Lampholders / Lamp base / Socket / Outlet E27 (H10)(Bakelite lamp base, lamp socket, light socket, carbolite light holder ... ) E27 (Edison Screw), Power: 250V, 4A,Material: ceramic base, copper contacts, top quality and long working time, Certificate: CE ...