5 Piece Flare Nut Wrench Set, Includes (1) 9 x 11MM; (1) 10 x 12MM; (1) 13 x 14MM; (1) 15 x 17MM; (1) 19 x 21MM

Designed for superior performance in an application where tubing is present. Forged and machined for best fit and unyielding strength. Precision heat-treated and tempered for optimal hardness, ductility and durability. Easy to read stamp pattern in order to quickly determine opening size. Meets and exceeds ASME B107 hand tool standards.