Pier 1 Pier 1 Knobs Bronze Color Cabinet Knobs Set of 7 Lightweight Wood Or Resin? 1.5"

These are a set of 7 Pier 1 cabinet knobs in color of bronze gold. I am not sure if they are a lightweight wood or resin. Has a victorian pattern. Knob is 1.5 in diameter Knob only is 1.75 Knob including the screw is 3 Please review all photos.