White Glass Clip-on Globe Lampshade for Ceiling/Wall/Floor Lights 
And Table Lamps
 
Approximate dimensions are:
Diameter Hole Height
12.5cm 6.0cm 11.5cm
14.0cm 7.0cm 13.0cm
15.0cm 7.0cm 16.0cm
20.0cm 8.0cm 19.0cm
Please note that the above dimensions can vary by up to 3mm, due to the manufacturing process.