YUEH-CHI was founded in 1992 and has been a leader in professional tools. With a commitment to Quality, Service, and Innovation, we have built a professional team that continuously strives for excellence. Through the development of innovative technologies, improvement of machinery and processing techniques, ISO-9001 quality management system and CE standard certification. In addition to our own brand, SCORPIO, we have gained the trust and recognition of global brand partners through technical collaborations in ODM and OEM.

In an ever-changing market, quality remains our constant priority. We firmly believe that quality is achieved through design and manufacturing rather than inspection. Scorpio continually seeks perfection, leveraging excellent manufacturing capabilities, rigorous management systems, and innovative thinking in R&D. We prioritize user health, safety, and environmental considerations, continuously developing lightweight and compact products to meet market request.


1/2" Air Angle (Flex-Head) Impact Wrench

The Nano Flex-Head air impact wrench boasts an adjustable head angle, providing enhanced versatility to tackle a wide range of tasks. Featuring a patented Double Air Intake motor structure, this pneumatic tool revolutionizes efficiency by boosting air intake and reducing friction, resulting in a 20-25% improvement in performance. The compact YU-RA4002T model, with its Twin Hammer design, outperforms traditional Jumbo Hammer designs in tight spaces, measuring just 85mm in length. Enjoy unrestricted usage at any angle with the head’s impressive 120-degree swing, protected by a patented design. The ergonomic, patented handle design allows for effortless 360-degree rotation, ensuring comfortable operation. This user-friendly tool offers speed control for precise adjustments, making it suitable for both left-handed and right-handed users. Its versatility is further enhanced by its suitability for a wide range of applications, including agriculture machinery, automotive repair, tire shops, construction steel structures, and assembly lines. Primarily designed for tasks requiring screw loosening or tightening, this pneumatic impact wrench is backed by multi-national patents.