A plastic coated 4 x 9 inch caklcualtor with a slidy laminated card inside.
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This will allow you .....(or me)...... to see the settings for 'TIGging'
- Stainless Steel
- Mild Steel
- Aluminium
- (And if your nuts Magnesuim and Titanium)
For all the the above you select either
- Butt weld
- no not that sort 
- Corner Weld
- Lap Weld
- Fillet Weld
and
The thickness of the steel etc you welding
It then tells you
- Tungsten Size for torch
- Cup Orifice size for shroud
- Filer rod size
- Amps
- Gas Type
- Flow for gas CFM
- Flow PSI
- Expected TIG weld speed per inch per minute
Explains types of electrodes and more
A little godsend for idiots learning like moi
Here at £1.50 inc P&P
Arrived a fews days after ordering, its superb ....consider getting one
They do 'set of MIG TIG STICK' or all sepeartely
Nige