1/2 Inch(12.7mm) Heat Shrink Tubing - 10 Ft 3:1Ratio Waterproof Heat Shrink Tubing,1/2" Pre-Shrink Diameter,0.17" Shrunk, Adhesive Lined, Dual Wall Adhesive Shrinkable Wire Wrap Tube

1/2 Inch(12.7mm) Heat Shrink Tubing - 10 Ft 3:1Ratio Waterproof Heat Shrink Tubing,1/2" Pre-Shrink Diameter,0.17" Shrunk, Adhesive Lined, Dual Wall Adhesive Shrinkable Wire Wrap Tube

• 1/2 Inch Heat Shrink Tubing: 3:1 heat shrink ratio and will shrink to the original 1/3.Pre-Shrink Circular Inner Diameter: 1/2 Inch (12.7mm) | Flattened Shipping Diameter: 0.87 Inch (22mm) | Fully Shrunk Inner Diameter: 0.17 Inch (4.23mm). Ships in flattened form for efficient packaging – expands to full circular shape when unrolled.
• IMPORTANT: Title dimension "1/2 Inch" refers to PRE-SHRINK diameter. Actual shrunk size is 0.17 Inch (4.23mm). Please confirm all product dimensions before purchasing. 3:1 ratio ensures compression from 12.7mm to 4.23mm.
• GOOD TIGHTNESS:Glue inside,When heat is applied, adhesive comes out and seals the connection.Dual wall adhesive heat shrink tube has the advantages of good electrical insulation, good sealing and high temperature resistance.
• DUAL WALL TUBING - Provides enhanced protection from wear and tear. The outer wall provides abrasion resistance. The inner wall creates a waterproof seal and strain relief
• EASY TO USE:Slide the heat shrink tube over your connection point and apply heat. Make professional insulated connections in seconds.