Left over from a secondary glazing project
Mostly of it - and all the magnetic tape - is 12mm wide
Some 22mm wide metal tape.
All the adhesive is foam backed so is good for slightly uneven surfaces.
There is rather more of the steel tape than the magnetic which is the single roll in the images
Self-adhesive magnetic tape and steel strip (Cainscross GL5)
This offer has been gifted to someone and is no longer available.