McMaster 3176T69 Vibration Damping U Bolt, 316 Stainless Steel, 3 8" 16 Thread, 2" ID, with Plastic Cushion, 1200 lb G2779302 Marking hot steel For use Marking hot steel For use with (tools): DX 462 CM 400 psi Pressure Gauge Type Test Pressure Gauge Dial Face Material Aluminum Primary Scale Units psi Case Finish Epoxy Coated Bezel Material Hinged Steel Adjustable Pointer No Cleaned for Oxygen Service No Pointer Color Black with Red Tip Primary Range 0 to 30 Movement Type Rotary Case Construction Solid Front Scale Type Single Pointer Material Aluminum Lens Material Glass Blowout Safety Back No Gauge Mounting Type Flush Mount Center to Center 2 13 16" Number of Nuts Included 2 Temperature Range 50° F to 275° F For IMC Conduit Trade Size 1 1 2 For Rigid Conduit Trade Size 1 1 2 Leg Diameter 3 8" Locking Type Nylon Insert Mount Type Threaded Nut Type Locknut Nut Material 316 Stainless Steel Specifications Met ANSI MSS SP 58 Type 24 2000 USMCA Qualifying Yes