The S.U.R.& R. Auto Parts Deluxe A/C Line Repair Kit, No. AC1387, is a all-in-one kit used to make on-the-car repairs to damaged rubber and aluminum lines, including pinholes, cracks and kinks. Service professionals can repair damaged A/C lines in as little as five minutes, the company says. Application coverage includes 3/8”-,1/2”-, 5/8”-, and 3/4”-sized lines used on hundreds of domestic and foreign cars, trucks and SUVs. All connections are made by hand versus through the use of a specialty tool. Seal clamp pliers and standard wrenches are used for final tightening.