The ABBATRON / HH SMITH part 866 is a standard size terminal strip designed for convenient and secure electrical connections. It features five holes, allowing for easy insertion and secure tightening of wires. With a length of 1.87 inches, this terminal strip is compact yet versatile, making it ideal for various electrical applications. Whether you need to connect multiple wires or ensure a reliable and organized electrical setup, the ABBATRON / HH SMITH part 866 is an excellent choice.