The 815-4 universal single sided,prototyping board by RADEMACHER is 100mm wide and 150mm long. It is designed for prototyping and testing of electronic components. This board has through-hole copper plating with a solderable surface, and it is ideal for creating a wide variety of prototype circuits. Its features include: tin-plated copper plating, silkscreen markings, printed numbers and labels, edge pads, corner webbing, and the ability to route tracks. The board also provides support for various components, including DIL/SIP ICs, LEDs, resistors, capacitors, transistors, and more.