Steel Crystal or Unicover Flex??

You still have a choice


Unibind has now ceased production of Steel Crystal and Steel Matt covers and are suplying Unicover Flex as an alternative. Unfortunately they have changed  the sizes also. The new sizes have created an enormous gap for small document users. The 3mm (10-25 pages) is missing (our biggest seller). You now have to choose between Unicover Flex 15 (pages) and Unicover Flex 40 (pages). So if you want to bind 16 pages you will need to use the Unicover Flex 40 which will leave an unsightly gap big enough to fit 24 pages.....thats a 3mm gap in a 5mm spine!! Also the new spine is a lot deeper to facilitate crimping but results in more lost page margin. Your alternative is to use

Compatible Steel Crystal.  

We have been selling Compatible Steel Crystal and Steel Matt since May 2015 and have not had one single complaint!

The Compatible covers work just like the Genuine covers. Most people cant even tell the difference.


Compatible covers are suitable for the following Unibind binders

ST 125

ST 225

ST 325

XU 138

XU 238

XU 338

Unibinder 120

Unibinder 8.1

Unibinder 8.2



Unique binding, established in 2005, is South Australia's original and ONLY supplier of genuine and compatible Unibind Thermal Binding Machines and Binding Covers Australia wide. 


Freight is capped at $16.50 to anywhere in Australia and any size order.

Payment options are paypal, credit card or an invoice on account. No account establishment required. Simply email your requirements and we will send on invoice.

If you don't see what you require in our store then please email your request to us at 




Important information


Are you contemplating "upgrading" from an

XU series machine to a Unibinder 8.2 / 8.1 or 120?

Click the button below for some points that the salesperson is unlikely to tell you.




Having trouble negotiating this site. We have a simple Order Form you can use. Simply download, fill it in and email or fax back to us.

Printable Order Form
Unibind consumables order form 2013.doc
Microsoft Word Document 112.5 KB