The all copper knob is round with an etched design on the facia with white finishing through the engraved design.
The other round knob is set on a wooden base with a flower design on its facia that is made of copper.
All copper diameter: 37 mm, Protrusion: 26 mm, to fit a door up to 27 mm.
Wood Diameter: 37 mm, Protrusion: 22 mm, to fit a door up to 27 mm.