Industrial Air Ratchet Wrench ST-RW711-30 is a long-lasting industrial pneumatic ratchet wrench for use on 30mm fasteners. Sumake’s ratchet wrenches lead the world in ease of use, ergonomics, motor power, noise reduction, and reliability. This tool is widely used in automotive repair, body shops, aviation, agricultural machinery, and industrial assembly applications. Put one to work today on your industrial production application.