McMaster 94975A308 18 8 Stainless Steel Ring Grip Quick Release Pin, with Lanyard, 3 16" Diameter, 1 1 8" Usable Length 807KZ6 6 oz Includes Secondary Light 6 oz Includes Secondary Light Yes Head Adjustability Adjustable Beam Pattern Flood Range 30 Degrees to 160 Degrees F Gauge Primary Range Numbered Graduations 20 Gauge Sensor Material Copper Alloy Gauge Case Color Stainless Steel Gauge Case Material Stainless Steel Gauge Panel Mountable No Gauge Socket Material Copper Alloy Basic Gauge Wetted Parts Copper Liquid Filled Yes Gauge Accuracy + 3 2 3% Smallest Graduation 2 psi Graduations 20 psi Series 201L Gauge Filled With Glycerin Socket Material Copper Alloy Pressure Range 0 to 100 psi Case Material Stainless Steel Pointer Color Black Gauge Wetted Parts Copper Lens Material Polycarbonate Gauge Accuracy Grade Grade B Commercial Pressure Range Type Pressure Ambient Operating Temperature Range 30 Degrees to 160 Degrees F Field Fillable No Hazardous Location Rating Not Rated Primary Scale Units psi Blowout Safety Back No Includes Mounting Hardware No Lens Material Gauge Plastic Pointer Material Aluminum Non Sparking No Bezel Material Stainless Steel Panel Mountable No Primary Scale Minor Graduations 2 Dial Face Material Aluminum Pressure Gauge Type General Purpose Dial Pressure Gauge Accuracy Grade ASME B40 Keep them from getting lost by adding a lanyard You can also attach tags to the ring to identify components