HQTEK 4Pack E27 Male to G24 Female LED Light Bulb Base Lamp Holder Adapter Converter(4PC-E27-G24) Approved by CE & RoHS Body Material: Flame Retardant PBT HIGH HEAT RESISTANCE UPTO 220 DEGREE!! MUCH BETTER than the usual 160 degree ones Unit Weight: 34g ; Dimensions: 68.5mm* 42mm (Lenth * Diameter) Contact Material: Copper