Features：

Superior Material: Crafted from premium carbon steel material, corrosion-resistant and rust-resistant. Not easily breakable, maintaining high strength and excellent performance, durable for long-term usage.

Convenient Storage: All feather keys are stored in a transparent and sturdy compartmentalized storage box, well-organized and making it easy to transport and find the desired parts.

Wide Applications: Suitable for workshops, craftsmen, DIY enthusiasts, woodworkers, and more. This versatile key set is helpful in many occasions and fields.

Package Includes: 100 pieces in total with 8 sizes - M3*5*13（10pcs）, M3*6.5*16（20pcs）, M4*5*13（20pcs）, M5*9*22（10pcs）, M4*6.5*16（10pcs）, M4*7.5*19（10pcs）, M5*7.5*1（10pcs）, M6*9*22（10pcs）. meeting daily usage requirements.
100% Customer Service: If you encounter any issues or have suggestions while using our products, please feel free to contact us. We are committed to providing a satisfactory solution for you.

Specification:

Material: Carbon steel

Product type: Woodruff key

Measuring system: Metric

Thickness: 3mm 4mm 5mm 6mm

Width: 5mm 6.5mm 7.5mm 9mm

Length: 13mm 16mm 19mm 22mm

Finish: Black Oxide

Shape: Half Moon

Grade: 4.8

Quantity: 100 pieces