Flexible ruler

[Leatherface]

Here's a good one

Flexible ruler - great for profiling around curved shower bases etc. 600mm long - around £3.85 plus postage.
From Axminster Power Tool Centre : Power Tools to your door

 

[georgetknight]

you can buy them from wh smith used them loads if they get a bit floppy just put it in your freezer overnight does something to the molecules in it re activating them or something

geo

 

[Concept PHT]

Nice handy bit of kit 🙂