Super strong pure adhesive tape for attaching side dams, spoilers, diaplanes or just .010 lexan plastic body re-inforcement. Comes in a HUGE 180foot roll, lasts for ever! just cut and stick on body or on plastic piece, then peel off release paper, and glue onto body for near permanent connection. Used by us for super stick lead, and secret of Pros for the last 20 years!