With all respect to what everyone has suggested and experienced:What someone has managed to bring on an airline versus what is actually allowed are two different stories.So is what is actually allowed and what the person doing the checking says is allowed.I really recommend not bringing anything with you that could cause any form of upset at the airport as it's a fight you are almost guaranteed to lose.It's not worth losing your knife or tool over, or ruining a vacation over.Either put your stuff in a checked bag, or don't bring it and buy something while you are there.Def
Cut & Paste from the Heathrow website (rules apply across the UK)Prohibited items: The following items may not be carried in hand baggage:Sharp itemsThis includes knives (with blades over 6cm), razor blades, box cutters, scissors (with blades over 6cm from fulcrum), axes, hatchets, cleavers, ice axes, ice picks, swords, sabres and sharp or pointed martial arts equipment.Full info' belowhttps://www.heathrow.com/at-the-airport/security-and-baggage/hand-baggage-and-liquids
You are the main reason why I generally try to temper my forum posts about airline security, you know that right? Honestly, I worked in security for many years, not at an airport but in a variety of capacities, including bars and I have seen my share of Rambo types in almost every place I worked. I know they are very prevalent in the industry, regardless of country, and I refuse to allow one of them to ruin my trip.I keep myself and my carry on well on the safe side of the line so as not to upset anyone in the least. Def