Jul 01, 2025
For V-Notching knife:
high hardness carbide alloy, more than 1,000,000 times before grinding, lasts for more than 20 times grinding
O-Punching tool:
high hardness carbide alloy, more than 200,000 times before grinding, lasts for more than 20 times grinding. Punching die size arrange from 8mm to 32mm.
Swing cutting blade: high hardness carbide alloy, more than 1,000,000 times before grinding, lasts for more than 20 times grinding.

This is the last one.