DELTA style cover titanium white for cover plate for built-in control device, D=18.5mm Our extensive DELTA product range offers you a wealth of individual design options thanks to its stylish variety of shapes and colors, which skilfully underline the aesthetics of every room. The DELTA design parts such as rockers and frames are high-quality and durable and, with the 3 mm plaster leveling, ensure reliable function even in extreme wall conditions. A wide range of design surfaces made of high-quality materials such as glass, wood, metal and plastic in current colors are available for your room design. Special versions such as rockers with lighting or labeling field as well as other surfaces for multimedia and communication are also available. DELTA switches and sockets - design and quality in perfection from Siemens.