What is the difference between wire and spiral binding?

In our Academy 101 posts we try to clear all doubts about printing world. 
In this case a question we often receive from our costumers is when to use spiral or wire binding.
There are many ways to get papers together. It depends on the quality of the product, the level of the presentation, expected durability, amount of pages, etc.
Wire and spiral binding are used to get together many pages, specially when you have to use it repeatedly (just like school books copies, price lists in a shop, etc.)
Both consist in wire or plastic coil that is inserted into holes by one of the edge of papers.

Let's explain one by one

What is wire binding?

Wire binding is one of that many ways to get pages together. You can find it writen as "wire-o" too. It gives a look more professional than spiral, so you can use it in presentations. It is made on metal with plastic coat.

What is wire binding?

What is spiral binding?

It is a little less presentable than wire, but more resistant and durable. It is generally used for booklets, catalogs and school readings. It is made usually on plastic.

What is spiral binding?

And what is comb binding?

It is a wider plastic ring, a little rustic but allow to get together many pages.

And what is comb binding?

Check more info about it at "Spiral Bound Books"