Now fine-tune your spray patterns for virtually any application using Graco D-Gun, 55 Mix Chamber. Designed for stud areas of trucks and small- to medium-sized wall applications. Pattern diameter is about 8 inches (20.3 cm), with a gun 18 to 20 inches (45.7 to 50.8 cm) from the target. Output is approximately 6 to 8 pounds/min. (2.7 to 3.6 kg/min.).