General description Sealey AK6901 Flexi-Head Flare Nut Diesel Injection Wrench Set is a versatile 6-piece set designed for use on most diesel engine injector fuel lines. The flare type spanner heads are suitable for fuel injector lines on various diesel engines, making it an essential tool for automotive professionals and DIY enthusiasts alike. Technical specifications Material: Heat treated Chrome Molybdenum steel with Chrome Vanadium steel shafts Head flexibility: 180 degrees Socket drive: 3/8'' Sq Sizes included: 12 x 120mm, 14 x 130mm, 16 x 140mm, 17 x 140mm, 18 x 140mm, 19 x 140mm Finish: Blackened for corrosion resistance Other information Supplied in a durable storage case for organization and easy access