Applications: Used for hydraulic and pneumatic systems Compressors,compressed air system Suitable for fluid medium which does not clog connection port or stainless steel Case:Stainless Steel Ring:Stainless Steel Window:Acrylic Socket & Connection:Stainless Steel Pointer and Dial:Aluminum Range:Vacuum,compound 0 to 10000 psi Accuracy:1.6% Mounting Type:Backing