I feel sorry for that widow who is colour-blind!
Bringing stuff from UK to Spain is tricky, especially in hand luggage.
Yes, always have the instruction book to hand to prove what it is. I flew easyjet to Spain a few weeks ago and had only a CCTV camera, some cable , some cable clips and a big Wago box in my minuscule hand luggage. The camera was in its original packaging, the Wago box had the other stuff inside but the fastening screws loosened for easy inspection...
I was a bit nervous, but the GLA-LGW leg nothing beeped. The LGW-MAH leg, nothing beeped, so all good. Last year, direct flight GLA-MAH...haggis confiscated!
I took out a battery/cordless drill 2 years ago...read all the guidance on that, which suggested it was OK to pack the drill in hold bag provided that the battery was actually installed in the drill. (The drill on its own was NOT permitted in hand luggage)
OK, I packed the drill, charger etc in hold bag, and took the 2 batteries and wrapped them in duct tape so no exposed terminals, then put them in ziplock bags in my hand-luggage...what could go wrong?
Well, a drill without batteries is useless...
Batteries without a drill is useless...
Did I sail through Security?
Yup!
Except they were a bit annoyed I had 3 vapes in my pocket, as 2 was the limit then!
All was fine in the end, but do be aware that transporting tools can be very tricky indeed. Yes, I am a DeWalt man, but the cost of drills/combis/SDS is prohibitive in Spain!
That's why I chose a cheaper platform, and for my limited usage it is just fine...indeed it's perfect for what I need. I have a combi drill and 2 batteries for £50...a DeWalt drill, 12V is €100, and batteries are extra.
What did I buy and take to Spain?
Guesses please!