New In the Box Hydraulic Liquid Filled Pressure GaugeSpecifications:Case: Stainless Steel Ring: Stainless Steel Connection: Brass 1/4 NPT Male Face 2 1/2" Pressure Range 0-1000 PSIG Great for measuring any fluid, liquid or gas that is compatible with Brass. Feel Free to contact us with any questions. Thank you for your business!! Check out my other items!