Features:Premium Material: Made of black insulated pe material this set of 127pcs insulation heat shrink tubes is durable and reliable providing long-lasting protection for your wires.Easy To Use: With this set you can easily connect both sides of the wires making it ideal for diy projects or professional use.Versatile: The heat shrink tubes can be used for various applications such as electrical insulation wire bundling and cable protection.Heat-Shrinkable: The tubes are heat-shrinkable which means they will shrink when exposed to heat providing a tight seal around the wire and preventing moisture and other contaminants from entering.Customer Service: With customer satisfaction as our first priority we offer a satisfaction service for all of our merchandise. If you have any problems please contact us in time. We will give you replies as soon as possible.Specifications:Material: PEQuantity: 1 set/127pcsNotes:Please allow slightly errors due to manual measurement and different monitors. includes: 127pcs*Heat Shrink Tube