Increases your efficiency: Unique Wiha handle size concept with optimal balance between power and control. Protects your health: With patented SoftFinish® handle design for hand and muscle-friendly work. Recommended by doctors and therapists at the AGR! Offers you full protection: Each tool individually tested at 10,000 V AC and approved for 1,000 V AC. Application: For hexagon socket screws. Material: Chrome-vanadium steel, burnished, insulated For electrical applications Tested in accordance with IEC 60900.