16/20/25" Single Tender Spring Kit, 3 in 1 ABS Air Line Hose Tracker Tender Kit for Semi Truck Trailer Tractor

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16/20/25" LONG SPRING - GREAT MEMORY: The spring is made of high-quality carbon steel with galvanized surface, which has good resilience and can operate normally under high strength. In addition, it also effectively prevents rust oxidation, rain corrosion, exposure to sunlight and low temperature.
1/2" 3-HOLE CLAMP HOLDER: The clamp holder, made of crush-resistant, durable black nylon, is easy to install and holds multiple wires securely together. Use a locknut to produce the same effect as hammering a wedge into.
BIG & HEACY-DUTY CLIP: The carbon steel snap on D-clamp (0.4" diameter) provides greater load-bearing capacity. The D-clamp is large and easy to operate, and the internal buckle design effectively prevents the clamp from loosening.
WIDE APPLICATION: The tracker tender kit is suitable for all trucks, semi trucks, trailers, used to hold air lines and power line, and can pull these lines up. The spring acts as a buffer and protection.