A B22, Large Bayonet Cap, Bulb Holder in e Black Plastic. 10mm Threaded Entry. Smooth Liner - Will except standard shades.
ES E27 Light Bulb Lamp holder 10mm entry in Brass Plain Liner (A41B)
ES Light Bulb Lamp holder 10mm, in Black Plastic, Unswitched (A42)
SES E14 Light Bulb Lamp holder 10mm, in Black Plastic, Threaded Outer (A103)
18W =180W LED HIGH POWER COOL WHITE B22 BAYONET CAP LIGHT BULB ENERGY SAVER LAMP
BC B22 Light Bulb Lamp holder 10mm, Earthed in Polished Brass Switched (A38M)
BC B22 Light Bulb Lamp holder 10mm Earthed in Polished Chrome Unswitched (A70MC)