This Astro Citation AP-135B 3/8" Drive Air Pneumatic Impact Wrench Gun has been tested and found to be fully functional. It is a powerful and reliable tool suitable for automotive and other mechanical tasks. The wrench is made by a well-known brand and is designed to deliver high performance. The wrench operates on compressed air, making it perfect for use in any location. The manufacturer part number is Does Not applyAP-135B, and the country/region of manufacture is unknown. This tool comes with no warranty, but its high quality and durability make it a great investment for anyone in need of an impact wrench.