The Allen-Bradley 1771-WC Series B Field Wiring Swing Arm PLC-5 is a high-quality terminal block designed for wire connections. Made in the United States by the reputable brand Allen-Bradley, this unit features a screw-on connector style for easy installation. With a compatible mounting type of wire, this terminal block is ideal for electrical equipment and supplies in industrial settings. The product comes as a single unit, making it a reliable and efficient solution for connecting wires in various applications.