The PIE, self-adjusting Rounder & Backer, is an award winning machine by its designer Jack Bendror. Processes intermixed sizes, thickness and types of paper with no make-ready or set-up whatsoever. Operating successfully for over half a century in binderies worldwide. This hard to find machine makes it most desirable for library binding and on-demand hard cover manufacturing. Protected by the proven patented DIGI-GUARD safety device that prevents injury should the operator’s fingers or hand be in the working area. Capable of processing book blocks 15” high x 3” thick. 220V, 3 Ph., 60 Hz.