Key blanks for a trioving lock fitted to Sunseeker Manhattan

I'm trying to obtain key blanks for a trioving lock, fitted to a Sunseeker Manhattan boat can you help.? Key number has letters 'TT' at end.

The standard key blank should work with this key number, have a look at following link:

http://www.trioving-stockist.com/trioving-key-blank/