It's a Mac Tools badged copy of the Crypton ACT 1 complete with Rover 3 pin ECU cable (ASA 003 same as ACT) and data flash card ASC3 v2.
Covers Mini SPi inc Coopers, metro Montego Rover 214,220,220 Turbo, 414,420 and 420 Turbo as well as 820 and 820 Turbo.
It's main use is for SPis.
It's in good condition with only a little wear to the button and of course fully working.
£125 plus £10 postage to UK.
Questions ? Just ask!

FS