Help with my Cleito 120 RTA please.

[Stoned Savage!]

so i bought myself a Aspire Cleito 120 tank with the build deck only problem is i bought the build deck from a friend of myne and he never included the hex key that i need to open the post screws so i cant swap out my twisted clapton coil and there are only so many hot flashes i can do to my coils. Could someone please help me identiy what hex key i need for my build posts so i can find a new build kit with it included. thankyou

 

[RAPTOREX]

1.2/1.4/1.9mm my guess, 1.2

 

[mattyk2010]

https://www.thewindowfittersmate.com/draper-hex-key-set-67-p.asp