Arp 1/2-20 12Pt Nuts (1Pk) 301-8318

Arp 1/2-20 12Pt Nuts (10Pk) 301-8353Nut - 1/2-20 in Thread - 11/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10

Arp 1/4-20 12Pt. Nuts (10) 301-8340Nut - 1/4-20 in Thread - 5/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10

Arp 1/2-13 12Pt Nut Kit 10Pk 301-8342Nut - 1/2-13 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10

Arp 1/2-13 12Pt Nut Kit 2Pk 301-8322Nut - 1/2-13 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Pair

Arp 7/16-20 12Pt Nuts (10Pk) 301-8356Nut - 7/16-20 in Thread - 1/2 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10