The MAC TOOLS ¼” Collet Premium Straight Air Die Grinder is a high-quality automotive tool made in the USA. With a 1/4 inch collet size and air inlet size, this straight die grinder from Mac Tools allows for precise and efficient grinding tasks. Its sturdy construction and premium quality make it a reliable choice for professional mechanics and car enthusiasts. Made in the United States, this grinder ensures top-notch performance and durability for all your automotive maintenance and repair needs.