Aluminum A/C Repair Tubing Kit – ACRK-1 contains 12″ lengths of replacement aluminum A/C repair tubing in 5/16″, 3/8″, 1/2″, 5/8″, and 3/4″ diameters to be used with the SPLICE-LOK and KLEDGE-LOK A/C repair systems. A ratcheting metal tube cutting tool is also included. Fast, economical tube and hose repair. Repair pinhole leaks, cracks, kinks, and rub throughs with SPLICE-LOK or KLEDGE-LOK in air conditioning, coolant, transmission, oil, or fuel lines. Not for use in brake or clutch systems.