Brüder Mannesmann 33-osainen erikoisruuvauskärkisarja (297-33)

This 33-piece special bit set covers a wide range of standard and tamper-proof screw profiles, making it a versatile choice for electronics, automotive, and general-purpose fastening tasks. The set includes 31 bits made from chrome vanadium steel, each with a 1/4-inch hex drive and a length of 25 mm, plus a magnetic quick-change bit holder for fast bit swaps.

Advantages

Chrome vanadium steel bits offer good durability and resistance to wear. The magnetic bit holder secures bits firmly and speeds up changes. The compact plastic box keeps all pieces organised and easy to transport.

Suitable for

• Working with security screws (tamper-proof Torx)
• Electronics repair and small appliance maintenance
• Automotive interior and engine bay fasteners
• General DIY and assembly tasks

Key specifications

• Total pieces: 33 (31 bits + 1 magnetic bit holder)
• Bit material: Chrome vanadium steel (CrV)
• Drive: 1/4 inch (6.35 mm) hex
• Bit length: 25 mm
• Slotted: 3, 4, 5, 6 mm
• Phillips: PH1, PH2, PH3
• Pozi: PZ1, PZ2, PZ3
• Hex: 2, 2.5, 3, 4, 5, 6 mm
• Torx: T10, T15, T20, T25, T27, T30, T40
• Tamper-proof Torx: T10, T15, T20, T25, T27, T30, T40
• Storage: Compact plastic box

Recommendations

For users who need both standard and security bit profiles in one kit, this set offers a practical selection without unnecessary extras.