Looks like you're right, however you can have one of these:

http://www.screwfix.com/app/sfd/cat/...64121&id=57968

or even just one of these:

http://www.screwfix.com/app/sfd/cat/...64362&id=10765

However you can't have these:

http://www.screwfix.com/app/sfd/cat/...64466&id=18618

Banning sale of screwdrivers to under 18's - I think we've lost the
plot