Warriorwrap WW-Ef-15 Self-Amalgamating Electrical Filler Tape Is Strong Enough For Professional Environments and Gets The Job Done Right The First Time, Every Time. This Tape Is 1/8IN Thick, 1.5 Inches Wide, 5FT Long and Has A Self-Amalgamating, Butyl-Based Mastic Design. The Strong Adhesion Helps Stick to Uneven Surfaces and The Tape Has A Non-Oxidizing Design That Will Not Corrode Copper or Aluminum. Top Breaking Strength and Elasticity Make Warriorwrap An Excellent Choice For Encapsulating and Protectin