This is Knobbles and Bobbles' cream melon shaped ceramic knob. The diameter of this knob is 4cm and the bolt will fit through a door that is up to 2.5cm thick.
Longer bolts are available from the menu bar under All Knobs -> Fittings and Longer Bolts.
Each knob is supplied with the ceramic head and metal fixings including bolts and washers.
Please contact us with any questions, email@example.com or please ring uson 07746 357625.