Glass, Door ,Knobs Beautiful Hand Made Glass Knobs 3.5cm 4.2cm 5cm Available in Three sizes: 3.5cm, 4.2cm and 5 cm diameter (note these items are hand made and sizes are not Approximate and can vary by 1cm either way). All sizes are Available in Pink, Lavender, Black and Duck Egg Blue colours. Please note that these Colours are Spray Coloured.