Adhesive Open Reel Audio Recording serious aluminum foil for 1/4 '' unobstructed reel tape decks using sensing tabs -LRB- ruminative or semiconducting -RRB- for reversing, stopping, or remaining deck functions. out of REAL aluminum, not wretched * metalized elastic *. This foil a backing paper to ensure a neat surface without contaminants. Will sensing to one end of over 120 tapes. : .20 '' X 10.5 FT on 3 '' elastic core. in Europe.