The sytem is robust, easy to use and delivers first-class results. (If chisel the face would not be so clumsy I could shave it :-))
The Brass role seems to be robust enough to permanent rolling, even on coarse grain to withstand.
If someone is a grinding system considered to procure -> please buy this same system, the inexpensive systems I've been through and were scrapped. The money you can save.
