SWITCHED CORD GRIP LAMP HOLDER BAYONET CAP PENDANT 13MM : Amazon.ca: Tools & Home Improvement
Bayonet Batten White Ceiling Lamp Holder BC B22 Light Bulb Socket Lamp Fitting : Amazon.co.uk: Lighting
Prorep Spot Lamp Holder - Bayonet Fitting - Tortoise Centre
ElekTek Special Safety Switch Lamp Bulb Holder B22 BC Bayonet Shade Ring, 1/2” 26TPI Bottom Entry, Brass, Child Safe Switch Push Bar Locks Off to Cut Power if lamp Bulb not Inserted -
Brass Lamp Holder B22 Bayonet Cap with Push Bar switch M10