BK40DV BK40DV Victorian-Style Beech Knob w/ Pilot Hole - 40mm 40mm Dia. Beech Knob. drilled with a 3mm Pilot Hole £0.38 Quantity of Knobs required: [Choose]01 - 0809 - 16 (-£0.02)17 - 24 (-£0.04)25 - 40 (-£0.05)41 - 80 (-£0.06)80 + (-£0.07) Quantity: at £0.38 each Add To Basket 770 in stock.