5" x 12" J.h. Day #5-x-12, 3 roll Paint Ink Mill, hardened steel rolls, jacketed rolls with connections. Detroit Process Machinery | Detroit, MI. 248-25... (Show) 248-251-5692. ... Used Day Three Roll Mill, 14" diameter x 30" long rolls, cored rolls, manually adjusted first and third rolls, brass end guides, knife discharge, on base with motor ...