Heat Shrink Tubing 12 Pieces 12 inch Long Tubes 1/8" 3/16" 1/4" Diameter Tube This heat shrink tubing set includes 12 pieces of 12-inch long tubes with a diameter of 1/8", 3/16", and 1/4". The tubes are made of polyethylene and rubber material and come in white, black, red, and blue sheath colors. The heat shrink ratio is 2:1, and the unit type is a unit. The tubes are suitable for use in electrical equipment and supplies, wire, cable, and conduit applications. Business or Homeowner, get your hands on this Heat Shrink set now and ensure your electrical connections are secure and reliable. Thanks for stopping. Please visit my slow growing store, read about me, my policies and view other items that may interest you. Also, I would be honored to be added to your saved seller list. **I always have money saving volume discounts on most items** David - thediscountretailer LLC