1. This steel ball is made of high-quality steel, letting printing clearance reach 100%.
2. Treated by carbonization which makes this material strong and durable.
3. The structure is reasonable, which makes it easy to install and use.
4. This steel ball will not stick to the ribbon or ink roller, thus there is no need to clean it frequently. 
5. Coding on carton is clear, cannot pass through the carton. 

This product is applicable in all kinds of plastic packing machines, sealing machines, grain packaging machines, filling and sealing machine, press boxes machines, etc.