A 38mm Diameter Solid Brass Knob finished in a Satin Brass Finish A round 38mm diameter knob pull made from solid brass in a satin brass finish. These handles are sold individually, so the price displayed is for a single item. Measurements - One Hole Fixing - 38mm Diameter - 24mm Rose Diameter - 26mm Projection These knobs are made from Solid Brass in an satin brass finish. Installation Each knob is supplied with M4 x 25mm fixing screws and is easy to install. If your door/drawer already has a handle or knob fixing, you may be able to unscrew the current pull and replace it using the existing hole(s). If this is your aim, make sure to choose new handles with the same size hole centres (distance between screws). If no holes are present, a small hole(s) will need to be drilled into your door or drawer to suit the chosen hardware. Once drilled, simply attach the handle/knob to the screws through the holes and tighten with a screwdriver. Care Clean lightly with warm, slightly soapy water and dry with a soft cloth. Avoid all rough, textured cloths, sponges & towels. Do not use abrasive chemical cleaning products.