Find the perfect black hardware for your space. This knob in Matte Black finish is part of our Black line up of hardware. Contemporary round knob with ribbed surface by Richelieu. This product works well with contemporary kitchen and bathroom décor. Please note that the screws included with the products are a standard size of 1 in (25 mm) length, quadrex, pan head. They will fit with most of the popular melamine thicknesses, which range between 5/8 in to 3/4 in (16 mm to 19 mm).