woshilaoDS 300 Pcs Heat Shrink Tubing Kit, 3:1 Ratio Adhesive Lined,Marine…
WoshilaoDS 300 Pcs Heat Shrink Tubing Kit, 3:1 Ratio Adhesive Lined,Marine Grade Automotive Industrial Heat-Shrink Tubing Set, Heat Shrink Wrap Tubes Kit,Black and Red. – 3:1 shrink ratio for a tight seal and inner wall for a watertight seal and strain relief.