The New in Box Air Nesco 3/8" Air Ratchet NP 729 is a high-quality automotive tool designed for use with air compressors. With a drive size of 3/8 inches, this ratchet is perfect for tightening and loosening nuts and bolts quickly and efficiently. The compact size of about 8 inches in length makes it easy to use in tight spaces, while the 1/4 inch air inlet size ensures a secure connection to the air compressor. The NESCO brand is known for producing reliable and durable tools, making this air ratchet a valuable addition to any garage or workshop.