Contains both male and female thread identifiers in the following sizes:

• 3/8" -20
• 3/8" -24 (AN-3)
• 7/16" -20 (AN-4)
• 7/16" -24
• 1/2" -20
• 9/16" -18 (AN-6)
• 9/16" -24
• 3/4" -16 (AN-8)
• 7/8" -14 (AN-10)
• 1-1/16" -12 (AN-12)
• 1-5/16" -12 (AN-16)
• 1-5/8" -12 (AN-20)