Description This is a set of heat shrink tubings, which are made of good quality PE material, durable for long lasting use. Cover the area with them and shrink them with a heat tool, then the wire shrink wraps will the wire tight and evenly within a few seconds. Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. Features -Color: Assorted color. -Material: PE, crosslinked polyethylene. -Size: About 8.00X5.00X0.00cm/ 3.14X1.97X0.00in. - Made of good quality PE material, durable for long lasting use. - Cover the area with them and shrink them with a heat tool, then the wire shrink wraps will the wire tight and evenly within a few seconds. - Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. - With these heat shrink tubing kit, you will become more confident in your soldering work. - From professional repair to DIY work at home, so the shrink tube is very convenient when working. Made of good quality materials, durable for long lasting use.​ Cover the area with them and shrink them with a heat tool, then the wire shrink wraps will the wire tight and evenly within a few seconds. Suitable for electrical insulation, wire bundling, mechanical protection, cable joints and daily repairs etc. With these heat shrink tubing kit, you will become more confident in your soldering work. From professional repair to DIY work at home, so the shrink tube is very convenient when working.