Conjunto de chaves de fendas manuais Wiha 03879

The Wiha 03879 manual screwdriver set contains nine hex L-keys made of through-hardened, bronzed chrome-vanadium steel. Designed for tasks requiring access to recessed or hard-to-reach screws, the set is compact and organized with commonly used key sizes stored in an integrated holder. The set weighs 0.412 kg and features a black handle area for easy handling and identification.

Advantages

The blades are manufactured from chrome-vanadium steel and through-hardened for durability, with a bronzed finish to reduce wear. A ball end allows operation at angles up to 25° for improved accessibility. Keys are held in a simple, clearly visible holder that enables rapid selection and secure stopping for L-keys, supporting quick and reliable operation.

Suitable for

• Assembly and maintenance tasks with hex metric fasteners
• Work in confined or recessed spaces where straight access is limited
• Professional and DIY applications requiring a compact, organized tool set

Key specifications

• Model: Wiha 03879
• Number of keys: 9
• Blade material: Chrome-vanadium steel, through-hardened, bronzed
• Standard: Based on ISO 2936L
• Tip type: Hex (metric)
• Ball end: Enables up to 25° working angle
• Weight: 0.412 kg
• Handle colour: Black

How to use

Select the appropriate hex key from the holder and insert the short or long arm into the screw head as required. For straight access use the long arm; for increased torque use the short arm. The ball end permits engagement at angles up to 25°, which is useful when straight alignment is not possible. After use return the key to the designated slot in the holder for organized storage.

Recommendations

Use the correct metric key size to avoid rounding screw heads. Apply steady torque and avoid excessive force beyond the fastener rating. Keep the holder and keys clean and dry to prevent corrosion and ensure the bronzed finish performs as intended.