Astro Pneumatic 3/8″ Drive Air Driven Butterfly Impact Wrench Power Tool

3/8″ Butterfly Impact Wrench – 75ft. Rubber nose guard protects the tool and work surfaces. Air Inlet Thread NPT: 1/4″. Compact and lightweight. Square Drive: 3/8″. Bolt Capacity: 3/8″ (10mm). Free Speed: 10,000rpm.