No slips, no fails. Using Fathom Offshore Adhesive-Lined Shrink Tube to shield your rigging keeps components in place and doing their job. 4:1 marine-grade heat-shrink tubing won't degrade in saltwater; tacky interior adhesive lining ensures that tubing stays put once installed. Each tube measures 12"L. Protects rigging components Keeps twists and crimps from working loose 4:1 marine-grade heat-shrink tubing Tacky interior adhesive lining