400 PCS Heat Shrink Tubing Kit Eventronic 3:1 Ratio Adhesive Lined Marine & Industrial Grade Shrink Wrap Waterproof Heat Shrink Tubing Black

3:1 SHRINK RATIO & FAST CONTRACTON SPEED: Shrinks to 1/3 of its original diameter and seals extremelytightly solving the problem of many 2:1 shrink tubes that don't shrink enough and therefore don't sealtightly enough Shrink temperature: 80 to 125°C Provides a professional connection within seconds. INCLUDES ADHESIVE COATING: When the heat shrink tubing is heated it automatically releases adhesive and seals the connection extremely reliably. This creates a waterproof and durable insulation with a satisfaction quarantee. DUAL WALL TUBING: The outer wall of the shrink tube provides extremely high abrasion resistance. The inner wall creates a consistently waterproof seal and excellent strain relief. Our solder connectors will also impress you! 7 SIZES: We offer 7 of the most commonly used shrink tube diameters in the world ranging from 3/32\" to 3/4\". All of our shrink tubes are pre-cut to 1.77 inches. VERSATILE APPLICATIONS: The waterproof Eventronic shrink tubing can be used in mari