Features and Benefits: Handy spring-action of the stainless steel tool keeps the tool on the line and makes the tool easier; Teeth of the tool fit perfectly into tight tolerance of Jiffy-tite connectors and whenrotated allow the; For Jiffy-tite fittings found on oil cooler lines used on transmissions and radiators and on other applications.; Replacement 3/8" in. Disconnect for Jiffy-Tite Set 22710.