Double ended cylinder and manifold studs 5/16′-24 Sae 5/8″ 5/16″-18USS x1/2″ Double-End StudGrade 8 Medium Carbon Heat Treated SteelDiameter & Length:(A) 5/16”-24 SAE x 5/8”Diameter &Length:(B) 5/16”-18 USS x 1/2”Overall Length: (C) 1-1/4″10 Per Package We do not sell games, toys, books, and other stuff you can buy at Walmart or Sams club. We stock every item in our warehouse no drop shipping here.