Model family · Akiles
Akiles DuoMac C family: 2 variants compared
Akiles DuoMac C21, Akiles DuoMac C31 are sold as closely related variants. Their spec sheets share most details, so we list them side by side here. Rows highlighted below are where the sourced specifications differ: Binding type.
Specifications by variant
| Spec | Akiles DuoMac C21 | Akiles DuoMac C31 |
|---|---|---|
| Model | DuoMac C21 | DuoMac C31 |
| Type | Comb & wire punch and binder | Comb & wire punch and binder |
| Binding type | Plastic comb and 2:1 double-loop wire; comb opener and wire closer | Plastic comb and 3:1 double-loop wire; comb opener and wire closer |
| Punching | Manual | Manual |
| Punch capacity | 20 sheets of 20 lb paper (single punch) | 20 sheets of 20 lb paper (single punch) |
| Binding capacity | Wire closing 3/16" to 1-1/4" | Wire closing 3/16" to 1-1/4" |
| Punch length | 14", open sides for wider documents | 14", open sides for wider documents |
Values are copied from each variant's sourced spec page. “n/a” or “not stated” means the source didn't state it; we don't estimate.
How to choose between them
Start with the highlighted rows. If they don't matter for how you'll use the machine, the variants are interchangeable on paper, and availability can decide. Each variant's own page keeps its sources, supplies and track record.
Where to buy each variant
We list a retailer only after confirming it sells the exact model. Amazon links are affiliate links. We don't show prices.