Home / Room Door Knobs (Mortice) / Mortice Knobs - Pure White Mortice Knobs - Pure White £11.99 A pair of room door knobs for the purists! Lovely white ceramic door turners that will match any decor. Info Reviews This is Knobbles and Bobbles' pair of pretty white ceramic mortice knobs. The diameter of these knobs is 6cm and they are supplied with the metal connecting rod. If you have any questions, please contact us at email@example.com or ring us on 07746 357625. Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product.