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3/8 inch black Insultherm wire sleeving on a 50 ft spool for high-temperature wire and cable protection in automotive, marine, RV, racing, and industrial applications.
Close-up of 3/8 inch black Insultherm heat protective sleeving showing the flexible woven construction for protecting wires and cables from heat and abrasion.

3/8" Insultherm Wire Sleeving | 50 ft Heat Protective Loom

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Protect wiring from heat, abrasion, and wear with K4 3/8" Insultherm Wire Sleeving. This flexible, high-temperature protective sleeving is designed for automotive, marine, powersports, racing, industrial, and custom wiring applications where cables are exposed to extreme conditions.

The 50-foot roll is ideal for complete wiring projects, multiple installations, or keeping on hand for future repairs while providing a clean, professional finish.

Features
• 3/8 inch Insultherm protective sleeving
• 50-foot roll
• High-temperature wire protection
• Excellent abrasion resistance
• Flexible for easy installation
• Durable woven construction
• Professional appearance
• Ideal for automotive and industrial use

Applications
• Automotive wiring harnesses
• Marine electrical systems
• Racing applications
• RV electrical systems
• Battery cables
• Engine compartment wiring
• Hydraulic and fuel hose protection
• Industrial cable protection
• Custom wiring projects