PBC Linear VRSD1 048.500 Drilled Linear Rail, V Guide, Size 1, 48.5 in Length, 0.187 in Width, Stainless Steel B52 308 lb End Type Plain 308 lb End Type Plain Ends Country of Origin United States Connection Location Lower Item Fire Sprinkler System Pressure Gauge Gauge Application Fire Sprinkler Systems Range 0 to 300 psi Accuracy + 3 2 3% Material ABS Color Black Gauge Primary Range Values 0 to 300 Gauge Primary Range Units psi Gauge Connection Type MNPT Basic Gauge Case Material Plastic Case Color Black Gauge Lens Material Polycarbonate Gauge Case Color Black Liquid Filled No Gauge Panel Mountable No Gauge Sensor Material Phosphor Bronze Calibration Certificate Included No Gauge Case Material ABS Plastic Gauge Primary Range Smallest Graduation 5 Basic Gauge Wetted Parts Brass Bronze Pressure and Vacuum Gauge Type Pressure Gauge Basic Gauge Socket Material Brass Gauge Accuracy + 3 2 3% Smallest Graduation 5 psi Series 1005P Basic Gauge Lens Material Plastic Basic Gauge Sensor Material Bronze Operating Temp 127 in Rail Finish Cold Roll Mounting Hole from Shaft End 0 421 in Thread Size #6 or M3 Mounting Hole Size 0