Drive: DIN 3126, ISO 1173, Form E 6.3. Application: For all types of screw connections in trade and industry. Application: When screws need to be held securely. Extra: With a strong permanent magnet. Standards: DIN 7424 Material: High-quality chrome-vanadium steel, hardened throughout. For universal applications DIN 3126, ISO 1173, Form E6.3.