This is excellent and plastic material lamp adapters, which are manufactured with durable material, it can be used for a long term use. It can be used in home, hotel, restaurant and more. The B15 to E14 lamp bulb converter is easy to use. It can meet your demands. Easy to replace. Features - Color: Mainly black, silver. - Material: Plastic. - Size: 2.50X1.80X1.80 cm/0.98X0.71X0.71inch. - Note: suitable for B15 to E14 light head. - Made of material, durable and practical, fine workmanship, good texture. - Compatible for lamp bulb converting B15 to E14, convenient to operate, simple to use. - Simple and convenient to use. The adapter is easy to replace, can meet your needs. - Suitable for screw (B15 to E14) lamp, suitable for bayonet lamp and lamp holder, table lamp, table lamp, ceiling lamp. - Compact and lightweight, easy and convenient to carry and store when not in use without any effort. Package list: 6 x lamp head converters