Applicable model KQ06-P01N KQ2E05-00MN, KQ2E07-00MN KQ2E05-01N, KQ2E07-02N KQ08-P01N KQ2E09-00MN, KQ2E09-03N KQ10-P01N KQ2E11-00MN, KQ2E11-03N Pipe nut KQ12-P01N KQ2E13-00MN KQ2E13-03N, KQ2E13-04N 381 Fittings KQ2 KDM6 KDM INDEX 382 Metric Size One-touch Fittings Applicable Tubing: Metric Size, Connection Thread: G Series KQ2 Chuck Guide Release button Requires little force for removal.