4:1  Heat Shrink Tubing

4:1 adhesive lined heat shrink tubing is the perfect solution for insulating, sealing, and protecting your cables. It shrinks to one-quarter of its original size when heated, creating a tight seal that provides enhanced insulation, moisture resistance, and strain relief. Available in full reels, it’s perfect for large scale projects in industries like automotive, electrical, and construction. With a range of sizes to choose from, it’s easy to find the right fit for your needs. Whether you're a DIYer or a professional contractor, this adhesive-lined heat shrink tubing offers superior durability and ease of use. The adhesive lining ensures a secure, watertight bond with a simple heat application, resulting in a long-lasting and reliable finish. Stock up with our cost-effective full reels, available in various sizes from 1.5mm to 39mm, and enjoy dependable protection for all your electrical work.