(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Drawer pull knob with worn irregular character and gently domed top.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.Top diam. 9mm. (5/16")Height 10mm. (3/8") + threaded shaft 10mm. (3/8")Collar diam. 7mm. (1/4")It is recommended that to avoid shearing the cast brass hand-cut screw thread, a pilot hole is drilled and pre-cut with a steel screw of slightly smaller size before screwing in the casting.