Pro Power SH4XGRF4 mm 1.22m 4:1 High Flame Retardant Adhesive Lined Heat Shrink Tubing, Black, 4 Diameter,

High 4:1 Shrink Ratio – Shrinks from 4mm down to 1mm, ideal for sealing irregular shapes, connectors and cable joints. Dual-Wall Adhesive Lined Design – Thick internal adhesive melts and flows to create a strong, waterproof and moisture-resistant seal. Flame-Retardant Protection – Designed for enhanced safety in automotive, marine and electrical installations. Durable Polyolefin Construction – Provides excellent insulation, abrasion resistance and long-term corrosion protection. Professional Applications – Perfect for wiring repairs, harness sealing, submersible pump wiring and fluid-exposed environments.