The AIYI 9-Piece Ball Extra-Long Arm Hex Key Set is engineered for demanding applications where reach and precision are critical. With its extended shaft length and ball-end design, this set is ideal for accessing deep or recessed fasteners at angles up to 25.
Each key is crafted from premium chrome vanadium (Cr-V) steel for enhanced strength and durability, making it perfect for workshop, automotive, machinery, and bicycle use. The set includes nine popular metric sizes, neatly housed in a durable holder for easy organization and portability. Whether you're a professional mechanic or a serious DIYer, this set provides the power and flexibility to get the job done right.
Features:
9-Piece Metric Set:
Includes commonly used sizes from 1.5mm to 10mm
Ball-End Tips:
Enables angled entry for hard-to-reach fastenersup to 25 of flexibility
Extra-Long Arm Design:
Provides superior reach and leverage, ideal for deep or narrow access points
Chrome Vanadium (Cr-V) Steel:
High-torque strength and resistance to wear, bending, and corrosion
Compact Organizer Holder:
Keeps tools securely stored and size-labeled for quick access
Ideal for Versatile Use:
Perfect for furniture assembly, bicycle repair, automotive tasks, and industrial applications

What's in the box:
• 1 1.5 mm Ball Extra-Long Arm Hex Key
1 2.0 mm Ball Extra-Long Arm Hex Key
1 2.5 mm Ball Extra-Long Arm Hex Key
1 3.0 mm Ball Extra-Long Arm Hex Key
1 4.0 mm Ball Extra-Long Arm Hex Key
1 5.0 mm Ball Extra-Long Arm Hex Key
1 6.0 mm Ball Extra-Long Arm Hex Key
1 8.0 mm Ball Extra-Long Arm Hex Key
1 10 mm Ball Extra-Long Arm Hex Key