1.1" Inside Diameter Heavy Wall Adhesive Lined Heat Shrink Tubing, Shrinks To 3/8" Inside Diameter, 6" Long, Insulates & Seals Electrical Splices, Moisture & Chemical Resistant, Use Above Ground & Below Ground, 600 Volt Maximum, Commercial & Flame Retardant #MIL-1-230 53/15, Bagged.