Reply to Eso mixers ????? Does anyone have feedback on these things !!!???

So i found these "things" on ebay for next to nothing ... i wanted to know if anyone has a personal history or review of any of the ESO products.

http://www.ebay.com/itm/ESO-HIP-MKII...item3a734f9e57

it looks very very basic but it may be perfect for a back up mixer or a good source of spare parts.

if anyone has any information please let me know ty djtt