You are purchasing Wholesale Widgets S-8131 Duplicator Masters. Compatible With Riso S-6948 & S4363.

Wholesale Widgets Brand S-8131 F II 37 Type Duplicator Masters 2 Per Box. Compatible With Risograph S-8131UA. For use in Risograph EZ 390, EZ590, MZ730, MZ770, MZ790, RZ390, RZ590, SF9350, and SF9450. Old Risograph Part #s for this product were S-4363 and S-6948.

These are recently manufactured new stock.

Please feel free to message us any questions about compatibility, etc. We pack the product boxes in a shipping box to protect them during shipping. Thanks for looking at our listing.