McMaster 90284A400 Key Locking Insert Assortment with Tool, 18 8 Stainless Steel, 10 24 to 1 2" 13 Thread Sizes G0686436 000 Movement Material 400 Stainless 000 Movement Material 400 Stainless Steel Process Connection Location Bottom Case Construction Solid Front Primary Scale Numeric Increments 50 Blowout Safety Back No Panel Mountable No Gauge Wetted Parts Monel Dial Color White Hazardous Location Rating Not Rated Panel Mount Characteristics (3) Mounting Studs CC Threaded Equally Spaced on E Dia Bolt Circle Primary Pressure Scale Color Black Process Temperature Range 20 to 250 Degrees F Accuracy Scale Full Scale Cleaned for Oxygen Service No Pressure Gauge Type Test Pressure Gauge Accuracy Grade ASME B40 this faucet has a total lead content of less than or equal to 0 1 4" 20 Thread × 3 8" Installed Lg These assortments include various sizes of key locking inserts with thick and thin walls