McMaster 5459A45 Deep-Offset Box Wrench, 1-5/16" x 1-1/2" Size, 20-1/2" Overall Length BD5-B100 these provide a tight metal-to-metal

McMaster 5459A45 Deep Offset Box Wrench, 1 5 16" x 1 1 2" Size, 20 1 2" Overall Length BD5 B100 these provide a tight metal to metal these provide a tight metal to metal seal on tubing that is flared to 37° Range 40 Degrees to 140 Degrees F Specific Pipe Fitting Shape Adapter Pipe Fitting Connection Type Threaded x Threaded Basic Pipe Fitting Shape Adapter Fitting Connection Type FNPT x FNPT Fitting Material PVC Maximum Operating Pressure 150 psi @ 70 Degrees F Mount Type Through Wall Inside Connection Gender Female Number of Bolt Holes 0 Outside Connection Type Threaded Maximum Wall Thickness 2 in Outside Connection Gender Female Maximum Operating Temperature 140 Degrees F Minimum Operating Temperature 40 Degrees F Inside Connection Type Threaded For Tank Shape Curved