Amazon.com: 10 Wholesale Widgets Brand A3-LG Masters, Compatible with Riso S-4363 / S-8131 Z-Type for use in Riso MZ790, RZ390, RZ590, and RZ790 Duplicators. This is a Case of 10 Masters. :
Riso RZ990 MZ790 MZ990 Duplicator Drum Part # S4714 LOW METER Excellent Print | Being Patient