50mm trackball ,Mechanical trackball
The Product adopt stainless steel ball .widely used in self-service vending machine, information kiosk, intelligent storage express cabinet , industrial equipment, military equipment and other fields.
Main features:
- High-quality SUS304 , rugged vandal proof, Anti-corrosion design.
- Positioning fast and reliable, Operation flexible and convenient.
https://www.directindustry.com/prod/shenzhen-keyu-co-ltd/product-201102-2440157.html