- Eventronic RSG400 Dual-Wall Heat Shrink Tube with Inner Adhesive for Secure Sealing - 4:1 Shrink Ratio, fits perfectly to cables and connectors of different shapes - Made of Eco PVC, eco-friendly material, flame resistant and non-toxic gas emission - IP68 Waterproof, protects against moisture and dust in electrical installations - Includes 400 pieces in 7 specifications, organized in a durable plastic box - Easy application: simply slide over the cable and heat for a quick and secure fit - Ideal for electrical insulation, bundling, cable coding, and mechanical protection - Versatile use in automotive, home, audio, video, marine sector, and general maintenance - Extends the service life of cables and wires, prevents short circuits and stress damage - Efficient and professional solution for electrical installations and DIY