(Note: Measurements are outside max. dimensions unless stated otherwise).19th Century : Decorative knob typical of Regency period. Concave 'S' scroll top with raised button in centre.Option : This casting is supplied at a budget price with a basic machine tumble polished finish which is rather dull caused by minute pitting from bead blasting. We can buff polish by hand to a smooth finish as an option if selected by clicking on the OPTION box above, or supply machine polished if left unticked.KNOBTop (slightly pulled into an oval 42mm. (1 5/8") x 40mm. (1 9/16") giving a character appearance).Height incl. backplate 23mm. (7/8") + threaded shaft 29mm. (1 1/4")Collar diam. 17mm. (5/8")BACKPLATEDiam. 39mm. (1 9/16")Collar nestles into sunken rebate of plain backplate. Domed round nut.