Wire binding is still one of the most popular binding solutions available. Akiles makes durable wire binding machines with durable metal construction. I've bolded the important features that differentiate some of these models.
All models feature:
-adjustable depth of punch control
-separate punching and closing handles
-heavy duty, all metal components
-fully disengagable dies to punch up to 14"
Akiles WireMac Manual (M) 3:1 and 2:1
-punches up to 20 sheets per pass
-comes in 2 models:
-max wire binding 9/16" with 2:1 pitch model
-max wire binding 1-1/4" with 3:1 pitch model
-$420
Akiles WireMac Duo
-punches both 2:1 and 3:1 pitch (the only wire binding machine that does this)
-punches up to 200 sheets per pass
-max wire binding 1-1/4"
-$649
Akiles WireMac Combo 3:1 and 2:1
-newest machine available
-punches up to 20 sheets per pass
-binds both twin loop wire and plastic combs
-comes in 2 models:
-max wire binding 9/16" with 2:1 pitch model
-max wire binding 1-1/4" with 3:1 pitch model
-can be used with any plastic combs to bind up to 2" (425 sheets)
-$690
Akiles WireMac Electric (E)
-electric foot pedal operated punch
-punches up to 20 sheets per pass
-comes in 2 models:
-max wire binding 9/16" with 2:1 pitch model
-max wire binding 1-1/4" with 3:1 pitch model
-$1549
