7/8 Inch - 14 tpi For 1.0in ID - 1.5in OD - Tube Adapter. Wrench flats keep smooth appearance and provide simple adjustments. Outer Diameter matches OD of thick wall tubing For sleeker look. ID matches tube creates a tight fit and increases strength.
Details:

• Sold as Each
• Left Hand
• Full length threading For a more positive thread engagement.
• Beveled edge For ease of welding and no grinding.
• Flat edge on OD so weld edge isn't on angled surface.
• Machined line on left hand thread makes sorting simple.
• Every Tube Adapter goes through a strict QC Process to ensure size, fit and threading.