Arp 1/2-20 12Pt. Nuts (10) 300-8334

Arp 1/2-20 12Pt. Nut (1) 300-8306Nut - 1/2-20 in Thread - 5/8 in 12 Point Head - Chromoly - Black Oxide - Universal - Each

Arp 1/2-20 12Pt. Nuts (2) 300-8324Nut - 1/2-20 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Pair

Arp 1/2-20 12Pt. Nut (1) 300-8304Nut - 1/2-20 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Each

Arp 1/2-20 12Pt. Nut (2Pk) 300-8326Nut - 1/2-20 in Thread - 5/8 in 12 Point Head - Chromoly - Black Oxide - Universal - Pair