This set of three vintage Greenfield hand taps is a must-have for any machinist or metalworker. Made in the USA, these taps have a thread size of 12-24 NC and come in a unit quantity of one set. The brand is known for its quality and durability, ensuring that these tools will last for years to come. They are perfect for use in hand tapping operations and are compatible with a range of materials, such as stainless steel, aluminum, and brass. The set is suitable for use in a variety of industries, including metalworking, manufacturing, and industrial businesses. Add this set of Greenfield hand taps to your toolkit today and take your metalworking game to the next level!