Specidfications:Bulb type:E27Length: Approx. 46mm\/ 1.81"Wide: Approx. 40mm\/ 1.57"Base Bottom Diameter: Approx. 33mm\/ 1.30"Feature:Used for E27 (27mm diameter screw in) lampsHeat lamps、 metal halide lampsSuitable for poultry chicks、 pups、 lizards and all types of animalsIdeal in applications where high temperatures may be produced such as industrial locations、 bulkheads、 high wattage lamps as in factories\/warehouses and for reptiles in vivarium & tortoise tables、 egg incubation cabinets etcThese are particularly suitable in applications where high temperatures may be produced、 by high bulb power or by operation in a confined space. Connection is by means of screw connectors and can be made from above or from two sidesLampholder rated to 1000 watts 4 amps 250V ACPackage Included:10 x E27 ES27 Porcelain Lampholder