The AIYI 9-Piece Ball Arm Hex Key Set is a reliable and versatile tool set for any technician, mechanic, or DIY user. Designed for use on hex socket fasteners, this set includes nine L-shaped hex keys in metric sizes, all made from durable chrome vanadium (Cr-V) steel for strength and long-lasting performance.
Each key features a ball-end tip, allowing angled entry of up to 25ideal for reaching fasteners in tight or awkward spaces. Neatly packed in a compact holder with clearly marked sizes, this set is perfect for home repairs, bike maintenance, furniture assembly, and workshop use.
Features:
9-Piece Metric Hex Key Set:
Includes essential sizes from 1.5mm to 10mm for a wide range of tasks
Ball-End Design:
Allows angled access for improved reach in confined or recessed areas
Chrome Vanadium Steel (Cr-V):
High-strength material for durability and corrosion resistance
Ergonomic Storage Holder:
Keeps tools organized and easy to carry or store
Multipurpose Application:
Suitable for bicycles, machinery, flat-pack furniture, electronics, and more
Professional or DIY Ready:
Reliable tool set for workshop, toolbox, or home use

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