The shade adapter ring clips into the shade ring of an E27 lampshade, enabling the shade to fit onto a lamp base with a B22 lampholder. Outside of ring is E27 (43mm) inside is B22 (28mm).

Brand	Oriel Lighting
Colour	White
Bulb Type	B22
Wattage	60W
Bulb Included	NO
Overall Height	0.3
Overall Width	4.3
Overall Depth	4.3
Item Dimensions	OuterD43 InnerD28
Fitting Diameter	D43
Fitting Other Dimension	ID28
Primary Material	ACRYLIC
Supplier Code	OLA16/SHADE
UPI	9324879211895
DIY	A competent handy-person can DIY
Warranty / Guarantee	1 Year Replacement Guarantee