The WORKPRO Metric Hex Key (Allen Key) Set – 9 pieces – Model WP222004 is an essential set for any toolbox, suitable for DIY projects or maintenance of bicycles and electronic devices. It features a long-arm design for easier reach to deep spaces and greater torque.

Professional Features and Benefits:

• High Hardness CR-V Steel: Made from heat-treated chrome vanadium steel with a hardness of up to 52HRC, ensuring reliable performance and high resistance to twisting or head wear.
• Long-Arm Design: The length provides excellent reach to recessed bolts and acts as a lever to increase torque with minimal hand effort.
• Practical Organization Holder: Comes with a durable green plastic organizer that keeps keys in order by size and prevents loss inside the toolbox.
• Comprehensive Metric Sizes: Covers 9 essential sizes from as small as 1.5mm to as large as 10mm, suitable for a wide range of applications.
• Precision Manufacturing: Heads are precisely cut to ensure complete engagement with the Allen screw, protecting the screw cavity from damage.

Technical Specifications (WP222004):

• Model Number: WP222004.
• Number of Pieces: 9 metric pieces.
• Included Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm.
• Material: Chrome vanadium steel (CR-V ≥52HRC).
• Color: Green holder with silver keys.
• Weight: 150 g (lightweight and portable).
• Brand: WORKPRO.

Primary Uses:

• Assembling ready-to-assemble furniture (e.g., IKEA).
• Bicycle and motorcycle maintenance.
• Repairing electronics and toys.
• Light automotive and mechanical equipment maintenance.

Technical Tip: When facing a seized screw, use the long arm of the key to increase leverage, but ensure the short head is fully and straightly inserted into the screw to avoid slippage.