This Ingersoll Rand 2135QXPA 1/2" drive impact wrench is a powerful air tool, capable of delivering a maximum torque of 1350ft/lbs. It is ideal for automotive applications and is a must-have for any mechanic. The air inlet size is 1/4in. and the drive size is 1/2 in. making it a versatile tool that can be used for a variety of tasks. The brand Ingersoll Rand is known for its high-quality products and this impact wrench is no exception. It is in top-notch condition and ready to be used for your next project.