Antique Knob Back Plate (5 COLORS) Solid Metal Flower Shaped Decorative for Knobs, Pull (Dark Antique (No Paint)) Pack of 1 metal decorative back plate (knob not included) Back Plate Measures 2 7/8" Diameter Great upgrade to any furniture, drawer or door. Will fit most knobs and pulls. Solid metal, will not bend. Can easily be spray painted to any color you choose. Just add to any knob to spruce up any furniture, cabinet or door. Fits most knobs and pulls.