50 PC Straight Quick Connect Imperial Quick Connect Kit Includes PU 3/16 x 12 PCS PU 1/4 x 12 PCS PU 5/16 x 12 PCS PU 3/8 x 8 PCS PU 1/2 x 6 PCS Packaged in assortment case measuring 270 mm by 180 mm with a 45 mm overall depth Total packaged weight .604 kg Product Features1) Convenient one touch fittings provide instant tubing connections.2) Elliptical release ring facilitates installation in confined spaces.3) Light manual pressure on the elliptical release ring is all that is required to instantly disconnect each tube, no special tools required.