【Precise & Efficient Testing】：Equipped with a high-sensitivity sensor chip, this knife sharpness tester captures real-time cutting force peaks with ±1% measurement accuracy and 1g/0.1g resolution,making it a professional sharpness detection tester you can trust. 【Smart and Intuitive LCD Screen】The device is designed for ease of use, featuring 1-button power on/off, straightforward unit switching (g/n/lb), and a quick value reset. It can be operational in just 3 seconds, providing accurate readings every time. 【Long Battery Life】Featuring a 4.2V charging interface, this portable sharpness tester supports easy charging. A full charge ensures up to 30 days of continuous use, and keeping you ready for sharpness tests anytime, anywhere. 【360° Adsorption for Various Knives】The magnetic blade holder allows for 360° adjustment to fit blades of different sizes. Its compact and portable design makes it easy to transport and adapt for testing knives, tools, and medical instruments. 【User-Friendly Operation】Achieve accurate results by following simple steps—secure the cutting line, place the tool holder, turn it on with a single button, apply a steady pressure to cut, and read the peak data. Consistent cutting over 3 seconds ensures enhanced accuracy. Equipped with a highly sensitive sensor chip that captures peak cutting force in real time, this tool sharpness tester is a reliable, professional sharpness tester. Whether you're a professional or a beginner, it's ready to use in just 3 seconds, ensuring accurate measurements every time.

Features:
1. 4.2v charging port, convenient charging and long battery life.
2. High-sensitivity sensor chip, real-time capture of cutting force peak.
3. 360° free adsorption, compatible with various types of knives
4. Support 0~3 kg full range test, suitable for various knives/blades.

Specifications:
- Product Name: Blade Sharpness Tester
- Material: Metal
- Test Range: 0-3.0kg (0-30N)
- Accuracy: ±1%
- Resolution: 1g/0.01N, 0.1g/0.001N Optional
- Unit Switching: Gram (G)/Newton (N)/Pound (Lb)
- Charging Method: 4.2V charging port, fast charging in 2-4 hours
- Battery Life: Powered by a 18650 lithium battery, lasting up to 30 days on a full charge
- Product Size: 160x220x40mm/6.29x8.66x1.57inch
- Package Size: 230x170x50mm/9.05x6.69x1.97inch
- Net Weight: 1kg/2.2lbs
- Gross Weight: 1.5kg/3.3lbs

Packing List:
- Test host
- Cutting line fixture (including test line)
- Magnetic tool holder
- 4.2V charger
- Portable storage box