Steel: 31CrV3 47-52 HRC Chrome plating Set composition: - Extended hex keys: 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 10 mm; - Plastic holder. The set configuration takes into account the features of car repairs and general installation work. The angle keys combine two levers in their design: an extended one for applying maximum force and a short one for quick rotation, and are also used when working with fasteners in limited space conditions. High strength characteristics allow avoiding damage to the edges of the fasteners.