Coil binding is an excellent choice for any professional documents from presentations to catalogs.its sturdy and crush proof making it great for mailing. Another advantage is spiral bound books can lay completely flat when opened making it an ideal choice for binding instruction manuals and calendars. Still have questions? Call Whitaker Brothers for more information and to determine if a coil binding machine is right for your business. Coil binding is a very popular choice for creating professional presentations. We offer models from Renz, Rhin-O-Tuff and Martin Yale.