The Iwata W400 WBX 1.8 Gravity Feed Spray Gun is a high-quality automotive tool designed for ease of use and efficiency. With a 1/4 inch air inlet size and a 20oz hopper size, this unit is perfect for various painting and detailing tasks. The ergonomic design of the spray gun ensures comfortable handling during long periods of work, making it a reliable choice for professionals and enthusiasts alike. With the manufacturer part number w400 wbx, this Iwata product is a must-have for anyone looking for precision and quality in their spray gun. down sizing my collection. well cared for