EK-AF Extender G1/4 is suitable to extend port from block in order to fasten larger fittings that would normally be obstructed by hardware, or you simply wish to extend your G1/4 port.\n\nMade from black chrome-plated CNC machined brass. Sealed with quality orings.\n\nThese Extenders can be either tightened by hand or by using Allen Key 9mm (not included, available for separate purchase).