Features 1、This pneumatic dust blower with standard air inlet connector uses compressed air as its power. 2、Extended nozzle makes it easier to blow dust in narrow and hard-to-reach places. 3、Pistol type trigger switch, easy operation and effort-saving. 4、Small size and lightweight, easy to hold in one hand. 5、Ideal for engine cleaning, in-car dust removal, computer case dust blowing, etc. Specification Features: This pneumatic dust blower with standard air inlet connector uses compressed air as its power. Extended nozzle makes it easier to blow dust in narrow and hard-to-reach places. Pistol type trigger switch, easy operation and effort-saving. Small size and lightweight, easy to hold in one hand. Ideal for engine cleaning, in-car dust removal, computer case dust blowing, etc. Specification: Material: Aluminum alloy Connector Diameter: 8mm Air Inlet Size: 20pp (inch) Working Pressure: 8MPa Overall Length: 110mm/4.3in Rod Length: 115mm/4.5in Package List: 1 x Dust Blowing Gun 1 x Extended Nozzle Package List