Heat Shrink Tubing Kit: Includes 254pcs black heat-shrink tubing in 7 sizes, ideal for insulating wires, cables, and electrical components. The 2:1 shrink ratio ensures reliable DIY or professional applications Durable and Reliable: Made from flexible plastic, this heat shrink sleeving provides long-lasting insulation. It forms a tight seal when heated, resisting water, dust, and abrasion for home, automotive, or industrial use Easy Installation: Designed for hassle-free use, the tubing can be applied with a heat gun or other heating tools. Keep the tube moving while heating to avoid burning, ensuring a secure and neat finish Size: Colour-coded for quick identification, the kit includes sizes from 2mm to 13mm ID and lengths from 40mm to 85mm. Perfect for precise wire insulation and custom electrical projects Wide Applications: Versatile for shrink tubing kits use in wire protection, end processing, colour coding, DIY projects, daily maintenance, and workshop electrical repairs, Manufacturer: YOUNIEYO