B&P Lamp 4 Inch Height E14 Euro Base Glass Candle Cover Sleeve - White Color Glass Candle Cover, 1" inside dia. (25mm), 1.1" outside dia. Sized for E14 EURO lamp sockets but will (somewhat loosely) fit regular candelabra (E12) sockets.. Features Include: E14 Euro base white glass candle cover sleeve but will fit loosely on E12 candelabra base sockets, The inside diameter is 1 inch and the outside diameter is 1.1 inch, The smooth clean design and beautiful finish exhibited by this modern candle cover sleeve lends elegance to chandeliers fixtures sconces and lamps, It is especially suited for use when creating industrial farmhouse or modern styles in chandelier lighting, Must be used with an insulator