Hafele - Copper Cabinet Knobs - Hafele item number 123.27.032 is a beautifully finished Copper Cabinet Knobs. Product Diminsion(s): Hole Spacing: 96.012 mm. / 3 25/32 in.Diameter: 44.958 mm. / 1 25/32 in.Projection: 45.974 mm. / 1 13/16 in.