Connector Nut Finish Zinc Plated Material Steel Barrel Head Style Truss Barrel Drive Type Internal Hex Thread Size 5/16 In.-18 Barrel Length 17 mm Barrel Diameter 11 mm Barrel Thread Depth 13 mm Barrel Drive Size 5 mm Barrel Head Diameter 17 mm Grip Size 17 mm Made in North America No Pack Size Small Package Quantity 10