Features Versatile Application Options eal for electrical insulation, wire bundling, and mechanical protection, this set is for DIY projects, RC drones, and daily repairs Extensive Assortment Included aturing 670 assorted pieces in 6 vibrant colors and 12 specifications, this set meets all your varied needs for any project Features: 1、Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints, DIY, RC drones and daily repairs etc 2、Comes with 670pcs heat shrink tube assorted in plastic box, 6 colors( Yellow, Blue, Black, Green, Red,white), 12 Specifications , satisfied for your different needs. 3、Provides environmental protection and abrasion resistance for electrical 4、Select the appropriate tube, put it on the wire joint and heat it to make it shrink with an air heater. 5、Your assist for convenient and safety of family. Specification: Features: 1. Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints, DIY, RC drones and daily repairs etc 2. Comes with 670pcs heat shrink tube assorted in plastic box, 6 colors( Yellow, Blue, Black, Green, Red,white), 12 Specifications , satisfied for your different needs. 3. Provides environmental protection and abrasion resistance for electrical 4. Select the appropriate tube, put it on the wire joint and heat it to make it shrink with an air heater. 5. Your assist for convenient and safety of family. Specification: Condition: 100% Item Type: Heat Shrinkable Tube Set Minimum Shrinkage Temp: +70℃ Full Shrinkage Temp: +110℃ maximum Operating Temperature: -55℃ to + 125℃ Tensile Strength: 10.4Mpa Dielectric Strength: 15 kV / mm Flammability: Flame Retardant Item Shape: Round/Flat Cutting Method: Scissors or sharp knife Material: Polyolefin Shrinkage Ratio: 2:1 (will shrink to 1/2 its supplied diameter) Operating Temperature: -55°C to + 125°C Length: Approx. 38mm / 1.5in Internal Diameter:1mm/1.5mm/2mm/2.5mm/m/3.5mm Length: Approx. 45mm / 1.8in Internal Diameter:4mm/5mm/6mm/7mm/10mm/1m Package List: Package List