The DVC 1-50-46-15-M10-28-70 is a special knob by the manufacturers Elesa & Ganter, which falls within their DVC design series. This particular model is characterized by its plastic body, a 46 mm diameter head, a 15 mm hub shank, a M10 internal thread, and a height of 28 mm. The knob also features a satin, or matte, finish of color 70, or black.