Metric A/C Compression Block Off Kit Convenient, low-cost solution to keep front A/C system working . Includes 6 fittings sized 8mm, 10mm, 12mm, 15mm, 16mm, 19mm (qty. 1 each) . Block off rear A/C lines in minutes . Perfect for vans, SUV's and other vehicles with failed rear components . Repairs safe up to 600 psi . Make connections easily by hand; no specialty tools required. Save hundreds vs. OE lines and labor. On-the-car repairs made simple . Replacement parts are readily available AC90M Yes -