COILHOSE PNEUMATICS 770S (92271) variable-control pistol-grip blow gun designed for industrial air-compressor accessory applications. Features a variable control trigger for precise airflow and a 1/4" (F) NPT inlet. Compact dimensions and lightweight construction make it ideal for shop, manufacturing, and maintenance tasks. Product dimensions (manufacturer): 5.05 x 9.65 x 1 inches; overall product weight: 1.65 pounds. Manufacturer part number: 770-S / 770S. Compatible with standard 1/4" air fittings and suitable for cleaning, drying, and general-purpose blow-off operations.