Lisle 22990 Jiffy-Tite 4-Piece Low Profile Disconnect Set The teeth of the tool fit perfectly into tight tolerance of Jiffy-Tite connectors and when rotated allow the line to be pulled without damage to the connector or retaining clip so they can be reused Includes four sizes: 3/8", 1/2", 5/8"-30 percent and 5/8"-39 percent ; all sizes are available individually; also available is the 3/4" low profile 3/4" Jiffy-tite Disconnect not included in the set