Product: 130pcs 3:1 Dual Wall Adhesive Heat Shrink Tubing Kit, 6 Sizes (Diameter): 1/2, 3/8, 1/4, 3/16, 1/8, 3/32 inch, Premium Wire Cable Sleeve Tube Assortment with Storage Case for DIY by MILAPEAK (Black)
Brand: MILAPEAK
Color: 130 pcs 3:1 Black Dual Wall Heat Shrink Tubing
MILAPEAK 3:1 Dual Wall Adhesive lined Heat Shrink Tubing kit
 - Best for solder joint protection, group of lines marking, resistance electric capacity reason protection etc. - high Quality 
 - Waterproof
 - Long service life
 - High Strength Toughness
 - Corrosion resistance
 - Good electrical insulation
 - High temperature resistance How to use it?
 1. At First choose the right size tubes, as It is 3:1 heat shrink ratio, and will shrink up to 1/3 of original diameter, please measure diameter of wire which is equal to the size of tube after shrinked. 
 2. Put the wire though into the tube, then use a heat gun heating the tube until the wire was wrapped tightly.
 3. Don't touch the tube until it becomes cool. Specification:
 - Color: Black
 - Material: Polyolefin
 - Heat shrink ratio: 3:1
 - Operating Temperature:-55°C to + 125°C
 - Minimum Shrinkage Temp: 70°C
 - Full Shrinkage Temp: 110°C maximum
 - Tensile strength: 10.4Mpa
 - Dielectric strength: 15 kV / mm
 - Flammability: Flame Retardant Package Contents
 - 1x 130Pcs(6 Sizes) Dual-Wall 3:1 Red Adhesive Lined Heat Shrink Tubing
 * 45pcs 3.5" lengths 3/32"
 * 35pcs 3.5" lengths 1/8"
 * 20pcs 3.5" lengths 3/16"
 * 15pcs 3.5" lengths 1/4"
 * 8pcs 3.5" lengths 3/8"
 * 7pcs 3.5" lengths 1/2"
 - 1x Plastic Box If you have any query, please freely contact us and we will be happy to serve you.
★【Versatile & DIY Helper】- Multiple sizes high-quality heat shrink tubing for your choose, they can be used for solder joint protection, group of lines marking, resistance electric capacity reason protection etc. Note: Make sure temperature of your heat gun is up to 212℉(Fahrenheit), then glue inside will soften and seal the connection.
★【Safe & ECO-Friendly】- Our heat shrink tubes are both UL & CSA certified for up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable. They are also RoHS Compliant, Formaldehyde (HCHO) Free, protect you and your famaily from toxins.
★【Customized Protector】- Our heat shrink tubing has the advantages of good electrical insulation, good tightness and corrosion resistance, High temperature resistance. Especially the Heat activated adhesive lining provides impermeable seal to salt water and other liquids, which hase better performance when you and your kids DIY.
★【Fast & Easy Use】- Are you bothered by the fact that wrapping cable wire connection with electric tape which is ugly and not safe enough. Now the good news is that our heat shrink tubing can avoid these troubles and give you a tidy connection. It is 3:1 heat shrink ratio, and will shrink up to 1/3 of original, only use a lighter heating if the tube is small or hair dryer heating for large one. Also Includes handy plastic container for easy storage.
★【What You Get】- Total 130pcs heat shrink tubes, 6 Sizes - Length: 3.5 inch, DIA: 1/2"(7pcs), 3/8"(8pcs), 1/4"(15pcs), 3/16"(20pcs), 1/8"(35pcs), 3/32"(45pcs), Comes with storage box, our worry-free 12-month and friendly customer service.

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