Ball-Hex L Key Set ball profile on the long arm provides 360° of rotation at up to a 35° angle allowing easy access to hard to reach fasteners Drives cap screws up to a 35° degree angle Black oxide finish Heat treated Standard end is Allen wrench Includes sizes: 1.3 mm, 1.6 mm, 2 mm, 2.4 mm, 2.8 mm,3.2 mm, 3.6 mm, 4 mm, 4.8 mm, 5.6 mm, and 6.4 mm