This hexagonal nut has an O-Ring on the face and is fully sealed, to completely eliminate any leakage through the threads and the standard donut locking nut or knurled knob. A hex wrench is required to tighten it.

Part Numbers :

• 3/8" : CG-SHEX-38
• 1/2" : CG-SHEX-12
• 3/4" : CG-SHEX-34