The AIYI Tools 12-Piece Hex Key Set is a practical solution for tightening and loosening hex socket fasteners. Manufactured from chrome vanadium steel, the set is suitable for household repairs, furniture assembly, bicycles, machinery and workshop applications.

Key Features

12-piece hex key set
Durable chrome vanadium steel construction
Hardness rating of approximately 50 HRC
L-shaped design provides useful reach and leverage
Multiple sizes for different fasteners
Supplied in a compact storage holder
Suitable for DIY and workshop use

Benefits

Helps complete a wide variety of fastening tasks
Multiple sizes reduce the need for separate tools
L-shaped keys offer both reach and turning leverage
Organised holder keeps the keys together
Compact and easy to store or transport

What’s Included

12 × Assorted L-shaped hex keys
1 × Storage holder

How to Use

Select the hex key that fits the fastener securely.
Insert it fully into the hex socket.
Turn clockwise to tighten or anticlockwise to loosen.
Use the short end for greater leverage or the long end for improved reach.
Return the key to the holder after use.

Compatibility / Applications

Suitable for:

Flat-pack furniture
Bicycles
Appliances
Machinery
Automotive maintenance
DIY projects
General workshop repairs

Care & Maintenance

Wipe the tools clean after use.
Keep them dry to reduce the risk of corrosion.
Apply a light coating of tool oil when storing for long periods.
Store the keys in the supplied holder.
Replace any key that becomes bent, cracked or excessively worn.

Specifications

Brand: AIYI Tools
Product type: Hex key set
Number of pieces: 12
Key style: L-shaped
Material: Chrome vanadium steel
Material marking: CR-V
Hardness: Approximately 50 HRC
Colour: Silver
Storage: Compact key holder

Safety Information

Wear suitable eye protection during repair work.
Always use the correct size key to prevent slipping or damage.
Do not use damaged or bent hex keys.
Do not extend the key with a pipe or apply excessive force.
Keep the set away from children.

FAQs

What is this set used for?
It is used for tightening and loosening fasteners with internal hexagonal sockets.

How many hex keys are included?
The set contains 12 assorted hex keys.

What material are the keys made from?
They are manufactured from chrome vanadium steel.

Does the set include storage?
Yes, the keys are supplied in a compact storage holder.

Are the individual key sizes visible in the image?
No. Confirm the exact size range from the packaging or physical product before publishing it.

AIYI Tools 12-Piece CR-V Hex Key Set | MrPanda