Heat-treated for hardness and precision-machined for high torque force. 10-Piece Flare Nut Socket Set (10mm, 11mm, 12mm, 13mm, 14mm, 17mm, 19mm 21mm 22mm. Flare Nut Socket Set, 3/8" Square Drive Diesel Injector Fuel Line Socket Wrench Set, 10mm-19mm (9PCS). ).
