Features • Versatile Usage Options: Ideal for electrical insulation, wire bundling, color coding, mechanical protection, and everyday repairs, making it a must-have for DIY enthusiasts and professionals alike • Comprehensive Assortment: Includes 670pcs of heat shrink tubes in 12 specifications and 6 vibrant colors (Yellow, Blue, Black, Green, Red, White) to meet all your project needs • Superior Protection: Offers excellent environmental protection and abrasion resistance, ensuring your wires and cables remain safe and durable in various conditions • Easy Application Process: Simply select the right size, position it on the wire joint, and apply heat with an air heater for a secure and tight fit • Family Safety Assurance: Provides reliable protection for electrical connections, enhancing safety in your home for peace of mind during daily tasks and projects 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: (Quantity - Internal Diameter - Single L Package List