3/16″ (4.8mm) Pk 25/50 6″ 3:1 Heat Shrink Tubing Adhesive Lined Dual Wall Black The tough outer jacket protects against abrasion, vibration and flexing. 3/16" / 4.8mm 3:1 Heat Shrink Tubing. 3:1 Heat Shrink Heavy Wall Tube. Adhesive Lined Dual Wall. Length of each tube : 6" 15.2cm. byJuly 5, 2026