K Source Dual-Lens Universal Towing Mirror – Clip-On/Ratchet Mount System, Pair for Trucks & Trailers
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K-SOURCE 3990 Dual-Lens Design – Features both standard and convex mirror sections to provide expansive visibility for safer towing and lane changes., Universal Clip-On & Ratchet Mount – Attaches securely to most existing tow mirror assemblies via a ratchet-mount system, offering a stable fit without interfering with factory mirror., Designed for Towing Safety – Optimized for trucks, trailers and large vehicles needing extended rear-view support; enhances stability and confidence while hauling., Easy Installation – Clip-on and ratchet mount design enables quick setup with minimal adjustment; ideal for both DIY and professionals., Premium Brand Quality – Brought to you by K Source / Fit System, delivering reliable performance, high durability and aftermarket excellence.