Brass, Aluminum & Iron Knobs Iron Octangle Door Knob Size Code D-2.2" TMM0473 Iron Round Door Knob Size Code D-2.2" TMM0472 Iron Oval Door Knob Size Code D-2.2" TMM0471 Aluminum Cupboard Knob Size Code D-1.2" TMM0491A Aluminum Cupboard Knob Size Code D-1.5" TMM0491B Brass Cupboard Knob Size Code D-1.5" TMM0418A