Description: 【Efficient Sharpening】: This manual chain grinder features diamond grinding heads that quickly sharpness to dull chainsaw chains with minimal effort 【Metal Material 】: The aluminum alloy body of this chainsaw sharpener kit ensures long term performance while resisting corrosion and deformation 【User Friendly Operation】: With its simple hand crank mechanism this hand crank sharpener requires no special skills or electricity making it ideal for remote locations 【Complete Portable Set】: Hand crank chain sharpener and three interchangeable grinding heads in common sizes (4mm, 5mm, and 6mm), ensuring compatibility with a wide variety of chainsaw chains 【Compact & Portable Design】: Measuring approx 8.6cmx1.7cmx3.9cm/3.39inchx0.67inchx1.54inch, this lightweight sharpener is easy to store in your tool box or carry with you to any job site Package Includes: 1 Manual Chainsaw Sharpener Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.