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20mm 12 Rotating Surface Fiber Optic Cutting Knife Replacement Tungsten Steel Blade
1. Material: tungsten steel
2. Number of rotating surfaces:12/16/24
3. Service life: about 50000 times
4. Cutting angle: less than 0.5 degree or so
5. Flat surface, no bump, smooth cutting
6. Sharpness of blade is more durable, long service life
7. Diameter: 20mm/22mm
8. Weight: 20mm about 10g; 22mm about 13g
Note: delivery only the cutting blade, does not include other items in the picture
