The Mac Tools AG14AH 1/4" Mini is a high-quality straight die grinder designed for precision grinding tasks. This unit features a 1/4" collet size and a maximum speed of 25,000 RPM, ensuring efficient and precise results. With a locking throttle feature, this single item piece of garage equipment offers reliable performance for various air grinding applications. Perfect for professionals, the Mac Tools AG14AH is a durable and reliable tool for any workshop or garage.