The Collett Locking Tool is a versatile and durable tool designed for coffee machine maintenance. Its compact size and easy-to-use design make it the perfect tool for any barista or coffee machine technician. The tool can be used to secure the Collett spout in place, ensuring a secure and leak-free connection. With a range of 3/16" to 1/2", it is suitable for a variety of coffee machines, making it a must-have for any coffee machine tool kit.