3M Scotch 13-3/4X15 ~ Electrical Semi-Conducting Tape 13 Black 30 mil (3/4 Inch x 15 ft)Scotch Electrical Semi Conducting Tape, 13, black, 30 mil (0. 76 mm), 3 4 in x 15 ft (19. 1 mm x 4. 6 m) The Scotch Electrical Semi Conducting Tape 13 is a 30 mil (0. 76 mm), highly conformable, electrical semi conducting tape This tape retains its conductivity with stretch. Part # 7000007284 Sold in qty's of 10 Application Electrical Maintenance Backing material Ethlylene Propylene Rubber Color Black Elongation 800 Percent Length 15 ft Width 3 4 Inch