DescriptionSpecificationsDescription#4-40 UNC, 0.28" OAL, Free Running Helical Insert 8-7/8 Free Coils, Tanged, 304 Stainless Steel, Bright Finish, 2-1/2D Insert LengthSpecificationsManufacturer Item No.A1185-04CN280Manufacturer NameHELI-COIL