Adopt four corner pressurized way to polish, more stable 
Can be installed 18-40 grinding ferrules or connectors, high production efficiency 
The adapter of connector jig can be interchanged, prolong the service life of grinding plate 
Made by high quality, hardened steel S136 
Ferrule jig and connector jig can be choice 
We can design the jig according to the customer request 
This jig is used for the Four Corners Pressurized Polisher, can polishing 20 connectors per time.