DescriptionSpecificationsDescription5/16-18 UNC, 0.781" OAL, Free Running Helical Insert 11-7/8 Free Coils, Tanged, 304 Stainless Steel, Bright Finish, 2-1/2D Insert LengthSpecificationsManufacturer Item No.A1185-5CN781Manufacturer NameHELI-COIL