For those that missed out on the Argos ones - these are actually a better buy in my opinion as they look nicer and weigh up to 3kg/7lb, rather than 2kg/5lb.
STILL SELLING FOR £20.96 ON AMAZON! - I have set the link to the Amazon page so that you can check them out
Model number is Salter 1015
Reduced from 19.99 to 9.99, they also had the Salter 1030 scales that are worth about 18pounds online.
* Weighs up to 3kg/7lb in 1g/1/8th oz graduations.
* Use with any bowl or container, or weigh directly on th platform.
* Dishwasher safe platform
* Imperial/metric conversion control.
* LCD display.
* Auto zero.
* Auto power off.
* Low battery indicator.
* Manufacturer's 10 year guarantee.
I bought these last week but kept forgetting to post the deal now.
I have been to 3 different Sainbury's recently and they all had a good few left so assume it's nationwide.
Unbelievably easy to use!
Hope this helps somebody, well worth checking out!