Williams RFW-24 Ratcheting Flare Nut Wrench, 3/4-Inch 3/4-Inch Black industrial finish Designed for use on 6 and 12 point tube fittings, fasteners, valves and compression fittings High carbon steel jaws snap open, then close around fastener with 6 point contact Prevents distortion of thin walled fitting and allows easy access to tight locations