Unlike temporary fixes, HELI-COIL inserts provide a permanent solution that exceeds the strength of the original thread, minimizing the risk of future failures. The kit's high-quality components and easy-to-follow instructions enable even your less experienced mechanics to perform professional-grade repairs efficiently. By investing in this kit, you are investing in the long-term reliability and efficiency of your fleet. Avoid costly downtime, reduce repair expenses, and extend the life of your valuable assets with the HELI-COIL PRODUCTS, INC. HEC-5521-5 kit. Its a smart investment that protects your bottom line and keeps your operation running smoothly. Choose HELI-COIL the trusted name in thread repair for decades, and a name you can trust to keep your fleet on the road.