These guys have two sizes for the plastic blanks, for my T6 I used the hu66 and it works fine, my local locksmith cut and filed it to size. The only thing is as it doesn’t have a transponder the alarm goes off when you open it so you have to be able to grab the electronic key quick. Works great for surfing, out on the bike. Etc.
Smarter Shopping, Better Living! Aliexpress.com
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I also used the Audi blank cover and holder and fitted it to the glovebox.
Ah, just found this so I think you're out of luck with the T6.1 key.
A cut surf key! How do we do it? We have the technology to read and duplicate your key at our workshop. All we need is a photo of your key (see below). Get out of jail free with this handy surf key. Suits all flip keys from VW, Audi, seat and Skoda with a HU66 blade.You will receive a cut key to...
www.capsnkeys.co.uk