The GROTE 3:1 dual-wall heat shrink tubing, measuring 6 " in length and 3/8 " in width, comes in a convenient 6-pack. This tubing enhances wire insulation by providing a precise fit that seals tightly, protecting from external elements. Its dual-wall construction includes a semi-rigid outer layer that provides durability and enhanced protection. The inner layer features an adhesive lining, which aids in waterproofing and ensures long-lasting, secure bonding. It operates effectively across a broad temperature range, ensuring adaptability in various environments. The flame-retardant qualities enhance safety by minimizing risks associated with exposure to heat or fire.