This is Knobbles and Bobbles' blue ceramic knob with white polka dots, the diameter of this knob is 4cm and the bolt will fit through a door that is up to 3cm thick.
Each knob is supplied with the ceramic head and metal fixings including bolts and washers.
Bolts that are 1cm longer are available to buy from our website menu under All Knobs -> Fittings and Longer Bolts.
Please contact us with any questions. Email email@example.com or you can ring us on 07746 357625.