Comparison : Item # 201A-2A, 1/8 Inch (in) Hole Inner Diameter and 1/8 Inch (in) Pipe Thread Size Brass Male Hose End x NPT Shank
Item # 201A-3A, 3/16 Inch (in) Hole Inner Diameter and 1/8 Inch (in) Pipe Thread Size Brass Male Hose End x NPT Shank
Item # 201A-3B, 3/16 Inch (in) Hole Inner Diameter and 1/4 Inch (in) Pipe Thread Size Brass Male Hose End x NPT Shank
Item # 201A-4A, 1/4 Inch (in) Hole Inner Diameter and 1/8 Inch (in) Pipe Thread Size Brass Male Hose End x NPT Shank
Item # 201A-4B, 1/4 Inch (in) Hole Inner Diameter and 1/4 Inch (in) Pipe Thread Size Brass Male Hose End x NPT Shank