Koilmatic Automatic Coil Inserter / Crimper: Koilmatic Automtic Coil Inserter is an easy to use, table top, electric inserter. Capable of producing up to 450 books per hour, it can handle 8mm to 20mm coils. Coil size is easily changed with diameter adjustment guide. built in LCD screen guides user through process and shows machine status. There are built in presets for common binding edges and it even crimps both coil ends simultaneously. It also features an offcut disposal drawer and convenient foot pedal operation.