Features:
It is made of high quality stainless steel and plastic, which is durable, anti-rust and easy to use.
Handle is designed with excellent grip for an ergonomic feel.
Lightweight and convenient in using.
Precise processing handle,feels good,durable in use.
Suit for cleaning any dust on machinery and equipment.
Pistol type design, convenient and easy to hold.
Strong air blowing, low consumption and energy-saving.
Special designed for cleaning the dust of precision machinery
This product is widely used for blowing dust, water, powder, debris and various industrial or household cleanup and blow-off operations.Can be used for household cleaning, car beauty and PCBA cleaning, etc. 
Specification:
Piston Material: Iron
Handle Material: Plastic
Barrel Material: Stainless steel
Color: Blue
Air Tube Diameter: 6mm/0.24" (Approx.)
Air Tube Length: 105mm/4.34"
Whole Length: 259mm
Air Inlet Size: 1/4 inch 

Package Included:
2 x Blowing Dust Gun