Look no further for the perfect solution to repair a pinhole leak, cracks, kinks, or rub throughs in your A/C hose lines. Our 5/8” Clamps for #12 A/C Hose is a compression-style tube repair that’s perfect for economically and quickly fixing your auto parts in air conditioning, coolant, transmission, oil, or fuel lines. Forget about any other non permanent fixes - this is fast and cost-effective permanence for steel, aluminum, and copper surfaces. The installation process requires only the use of standard hand tools with the option to connect straight pipes or reducing pipes. Plus there’s no need to worry about its efficacy when used with brake or clutch systems as this clamp shouldn’t be used in that capacity. SPLICE-LOK is exactly what you need to do the job right first time.