L-shaped hex key set YATO YT-0519, metric, 10 pcs, long arm 32 cm, short arm 6.5 cm

The YATO YT-0519 L-shaped hex key set is a 10-piece metric kit designed for tightening and loosening hex (Allen) fasteners in workshop and maintenance environments. The set includes full-size L-shaped keys with a long arm of 32 cm and a short arm of 6.5 cm, while some keys have a long-arm length of 28.5 cm to suit different access requirements. Tools are intended for work on machinery, bicycles, furniture and general assembly tasks where reach and torque leverage are important.

Advantages

The long-arm design provides extended reach and improved leverage compared with standard hex keys, facilitating access to recessed fasteners and enabling higher applied torque on tight joints. The L-shaped form factor gives two working lengths per key for versatility: a long arm for reach and torque and a short arm for confined spaces. The set contains ten metric sizes to cover a range of common fasteners used in mechanical and furniture assembly applications.

Suitable for

• Servicing and adjusting machinery with recessed hex fasteners
• Bicycle maintenance and component assembly
• Furniture assembly and tightening concealed bolts
• Workshop and maintenance tasks requiring extended reach and leverage
• General assembly work in industrial and home environments

Key specifications

• Metric L-shaped hex key set
• 10 pieces covering common metric sizes
• Long arm length: 32 cm (some keys 28.5 cm)
• Short arm length: 6.5 cm
• L-shaped design providing two working lengths

How to use

Select the hex key that matches the fastener size to ensure a proper fit and avoid rounding. Use the short arm for working in tight spaces and the long arm for improved reach or increased torque; insert the appropriate arm into the fastener socket and turn the tool steadily. Apply controlled force to avoid damaging the fastener head or the tool, and reposition your grip along the long arm when greater leverage is needed.

Usage recommendations

Inspect keys before use for wear or deformation and use the correct metric size for each fastener. When higher torque is required, use the long arm as a lever and maintain steady pressure to reduce slipping. Store the set in a dry place to reduce corrosion and keep keys organized to preserve their working edges.