Spiral Book System is the online store created by MKM to provide binding machines, consumables and solutions for displaying printed paper. In this online store you will find consumables for your binding machine, as well as binding machinery. Consumables, Din A4 Plastic Coil, Din A4 Metal Coil, Din A4/Din A5 Double Wire, Calendar Hangers, Binding Covers, Laminating Pouches, Consumables, miscellanous. Machinery, binding.