The Ingersoll Rand 307B 1/4" Air Die Grinder is a high-quality automotive tool designed for precision grinding tasks. With a straight design and a maximum speed of 28,000 RPM, this grinder offers efficient and accurate performance. The 0.25 HP motor ensures reliable power, making it a valuable tool for automotive mechanics and DIY enthusiasts alike. As a single item, this air grinder is a versatile and durable addition to any workshop or garage.