The Force Flare Nut Wrench 3/8 X 7/16 Is A Specialized Tool Designed For Working On Hydraulic And Brake Lines, Where A Standard Open-End Wrench Might Slip Or Damage The Fastener. Flare Nut Wrenches Provide A Secure Grip By Engaging Multiple Sides Of The Nut, Making Them Ideal For Applications Involving Soft Or Rounded-Off Nuts. Product Overview Size: 3/8 X 7/16 Type: Flare Nut Wrench Design: 6-Point (Hexagonal) Finish: Polished And Chrome-Plated For Corrosion Resistance Material: Typically Made From High-Quality Steel Or Chrome Vanadium For Durability Head Angle: 15° Offset For Better Access In Tight Spaces