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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPK499
- Phone: (800) 221-9723
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Frequently asked questions
Does this kit include a variety of sizes?
Yes, the RPK499 is a comprehensive kit containing 75 individual pieces in various diameters, ensuring you have the right fit for different wire gauges and connections.
How securely does the tubing fit after shrinking?
This tubing offers a high-performance 50% shrink ratio. When heated to 158°F (70°C), it contracts to half of its original diameter, creating a very tight, secure, and professional-grade insulated fit.
Is the storage case durable and organized?
Absolutely. The kit includes a dedicated 6-compartment storage case (RPI Part #RPB560). This keeps your various tubing sizes neatly separated, organized, and ready for quick access whenever you need them.
Are replacement pieces available if I run out of one size?
Yes, you are covered. While the RPK499 is sold as a complete, convenient kit, all individual components are also sold separately so you can restock specific sizes as needed.
What temperature is required to shrink the tubing?
The tubing is designed to activate and shrink at a temperature of 158°F (70°C), making it compatible with standard heat guns used in electrical repair environments.
Is this kit suitable for professional electrical repair?
Yes, this kit is specifically designed as a professional shop aid. It is perfect for electrical insulation, bundling wires, and providing reliable strain relief for delicate connections in technical or repair environments.
Are the tubes long enough for typical repairs?
Yes, the included pieces are approximately 4 inches long each, which is an ideal length for most standard wiring splices, repairs, and protection tasks.
Does this provide protection against environmental factors?
Yes, beyond just insulation, the heat shrink tubing is excellent for providing mechanical protection and environmental sealing for conductors, helping to keep your connections safe from damage.
Is the quality of this tubing reliable?
This is a Factory New RPI product, designed to meet rigorous standards for electrical maintenance and General Shop Aid applications, ensuring you receive consistent, high-quality material for your repairs.
Can I use this for color-coding my wires?
All 75 pieces in this specific kit come in a uniform black color. While it is excellent for professional, sleek-looking insulation and strain relief, it is not designed for color-coding applications.

RPI RPK499 Heat Shrink Tubing Kit