It has a (Threaded Center Hole), a (Hole for a Turn Knob Switch / Vent Hole) and (3 Fastening Screws). It is (Brass) and it has a (Polished Brass Finish). It can be used for a (Ceiling Light) or (Table Lamp).
eBay
B15 SBC Mini Lamp Holder. Transform your lighting experience with our refined B15 SBC Mini Lamp Holder, featuring an elegant antique brass finish that brings a touch of sophistication to any space. Specifically designed to seamlessly fit into your lighting circuits, this lamp holder is the perfect choice for those who value both style and functionality.
eBay
SUPPLIED WITH SHADE RINGS AND CORD GRIP. SHADE / PENDANT CAGE. FOR USE WITH ES E26 / 27 SCREW IN BULB LAMP.
eBay
This will convert a lamp holder fitting from the standard 1/2" thread down to 10mm, i.e. M10 thread. Thread Reducer Adaptor. 8x 1/2" to 10mm Brass Lamp Holder.
eBay
BRASS SWITCHED PUSH BAR LAMPHOLDER. STANDARD BAYONET CAP BC B22D.
eBay
ElekTek Solid Brass Back Plate Lamp Holder Bottom Mount/Fitting 1/2". Threaded Mounting Boss in 1/2" 26TPI. 3x matching screws supplied.
eBay
Brass Lamp Holder Small Bayonet Cap SBC (B15d) Bulb Holder 10mm Screw Thread SKU : 900564 Small Bayonet Cap Complete with Shade Ring 10mm and Earth Diameter : 23.2mm Height 38.7mm Suitable for Small Bayonet Cap Bulbs Only SBC B15d .
eBay
eBay