Manufacturer ElekTek. Standard B22 (22mm) bayonet cap fitting, unswitched, with shade ring - suitable for bulbs up to 200W. Colour Antique Brass. Cover is secured when you screw down the lamp holder base.
The ElekTek Unswitched Lamp Holder B22 BC Bayonet Cap & Shade Ring with Solid Brass is best suited for commercial kitchen lighting solutions.