Elevate your cabinets and drawers with these industrial concrete knobs! The simple ball-shaped design of this knob will fit any modern or minimalist aesthetic. They can be installed on cabinetry, dressers, or drawers. Each knob has a machine screw on the back which fastens it to a surface. Washer and nut included with each item. These items are hand casted. Variations in texture and appearance should be expected with concrete.