High temperature resistance ,High Strength Toughness and Corrosion resistance &Long service life:3:1 Ratio; Up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable., 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., Wrap the cable wire with the tube, then use a lighter heating if the tube is small or hair dryer, heat guns heating for large one until the wire was wrapped tightly., 3., Don't touch the tube until it becomes cool. Heat Shrink Tubing Kit Buy Wirefy - 3:1 Ratio Adhesive Lined, Arine Grade Shrink Wrap Shrink Wrap Tubing Heat activated adhesive lining provides impermeable seal to salt water and other liquids. fixing the broken wires, electrical insulation, wire connection etc. Applied Length & Inner Diameter: Dual Wall Adhesive Heat Shrink Tubing designed with the same length 45mm and multiple inner diameter and 7 Size: 2., 4mm(85pcs), 3., 2mm(50pcs), 4., 8mm(60pcs), 6., 4mm(55pcs), 7., 9mm(45pcs), 9., 5mm(10pcs),12., 7mm(15pcs),the kit would fit snugly over 4 awg - 28 awg bare wire You can also use it for allthe iphone and ipad charging cable and headset 。great for boat trailer wiring or for anyone who lives in a swamp。 Advantages: High Quality and Good electrical insulation & Waterproof: 3:1 Ratio; 320 pieces; Thin adhesive inside liner. Multiple sizes high-quality heat shrink tubing for your choos is very suitable for any project workshop，they can be used for solder joint protection, group of lines marking, resistance electric capacity reason protection，car audio install，solar and ATV setups. Red PACKAGE: 85pcs x 2., 4mm (Black-45,Red-40) 50pcs x 3., 2mm (Black-25,Red-25) 60pcs x 4., 8mm (Black-30,Red-30) 55pcs x 6., 4mm (Black-20, White-35) 45pcs x 7., 9mm (Black-20, White-25) 10pcs x 9., 5mm (Black-5,Red-5) 15pcs x 12., 7mm (Black-8,Red-7) 275 PCS Heat Shrink Tubing Kit - 5 Colors – Wirefyshop Adhesive Lined Heat Shrink Tubing insulates and protects wire, cables and terminations. Heat activated adhesive lining provides impermeable seal to water, oil, acids, and sunlight as well as providing strain relief. Made of Cross Linked polyolefin tubing for superior strength and resistance to burning. Shrinks up to 1/3 of the original size What you get: 7size,3 colors（Black,White,Red） 3:1 retraction ratio heat shrink tubes,total 320pcs. 3M™ Heat Shrink Tubing FP 301 Color Assortment: 5 Kits/Case MMM Cover the bare wire part with these tubes, heat it with soldering iron, heat gun or even hair dryer , the tube will shrink protect the wires and give you a professional look of the repair job! Comes with storage box
