Meets your requirements: Robust and precisely fitting bits for general screw connections in trade or industry. Saves time: Simple and quick recognition of the profile size thanks to high-contrast laser marking. Output: DIN 3120, ISO 1174, Form A 6.3 + A 10. Drive: DIN 3126, ISO 1173, Form C 6.3. Application: For all types of screw connections in trade and industry. Bits: Reduced, over-twisted profile. Extra: Cone on the tip makes it easier to insert into the screw. Extra: Easily recognizable contents thanks to large symbols. Packaging: Plastic box, reusable and dust-repellent. Material: High-quality chrome-vanadium steel, fully hardened. For universal applications DIN 3126, ISO 1173, Form C6.3 Contents: 2x bit standard 25 mm square socket 1/4' C6.3 #3 (06636).