3M 09678 Soft Edge Masking Foam Tape 13mm x 50 m. 3M award winning adhesive foam tape for masking vehicle apertures. Produces the required soft paint edge on door openings, boot and bonnet surrounds and other body apertures. Supplied as a Box of Tapes. Celebrated as the most innovative and productive new bodyshop consumable of recent years, SEMFT speeds the masking of body apertures prior to painting, while also acting as a complete barrier against dust or overspray penetrating the vehicle interior. Simple and really fast to apply, SEMFT creates an undetectable repair.