Norton 66623303915 Non Woven Depressed Center Disc, 5 in x 5 8" 11, Ceramic, Extra Coarse, Blaze Rapid Strip G0067840 Lumens per Watt 140 Lumens per Watt 140 Range 50 Degrees to 150 Degrees F Basic Gauge Lens Material Glass Gauge Case Material Phenolic Gauge Mounting Method Surface Series 1279 Gauge Panel Mountable Yes Pressure and Vacuum Gauge Type Pressure Gauge Gauge Sensor Material Phosphor Bronze Liquid Filled No Basic Gauge Wetted Parts Brass Bronze Smallest Graduation 5 psi Gauge Socket Material Brass Calibration Certificate Included No Basic Gauge Sensor Material Bronze Gauge Primary Range Smallest Graduation 5 Basic Gauge Socket Material Brass Gauge Lens Material Glass Pressure Range 0 to 30 psi Socket Material Brass Case Material Phenolic Process Connection 1 2 in NPT Male Standards ASME Heavy Scale Removal Abrasive Type Non Woven Backing Plate Material Fiberglass Disc Shape Type Type 27 Country of Origin Mexico Non Woven Depressed Center Disc