This air pressure gauge is a great air pressure measuring tool with stable performance. With mini size， it is convenient to carry. 

Features: 
This vacuum manometer is a dial instrument with double scale. 
Its measurement range is 0~-30inHg or 0~-1bar. 
Metal outer case， well protect the inner accessories. 
Mini size， convenient to carry. 

Specifications: 
Material: Metal 
Color: Black 
Measurement Range: 0~-30inHg / 0~-1bar 
Diameter: 5cm 
Item Weight: 68g / 2.4oz 
Package Size: 8 * 6 * 3cm / 3.1 * 2.4 * 1.2in 
Package Weight: 80g / 2.8oz 

Package List: 
1 * Vacuum Manometer