Type	Thickness	Durability	Cost	Typical book type
Comb	3/8" - 2"	Medium	Low	Occasionally used booklets Training guides Operation manuals Cookbooks
Velo	1/8" - 2"	Low	Medium	Infrequently used materials Presentations Reports Research papers
Tape	1 1/2" - 2"	Medium	Low	Occasionally used booklets Training manuals
Spiral	Up to 1 1/8"	High	High	Heavily used documentation Manuals Reference materials
Wire-O	Up to 1 1/8"	High	High	Heavily used documentation Manuals Reference materials
Perfect	Up to 2"	High	Low to medium	Heavily used booklets Reference materials Paperback books Telephone directories

Other finishing methods include:

• Folding
• Lamination
• Padding
• Tabs