Chrome vanadium steel increases strenght and durability Flexible head ratcheting wrenches meets and exceeds ANSI specs Stamped markings provides easy size identification The DWMT74196 Metric Ratcheting Flex Head Combination Wrench Set is part of the DEWALT Guaranteed Tough line of mechanics tools. This 7-Piece Wrench Set is made with Chrome Vanadium Steel for added strength and durability. The wrenches include stamped markings for easy wrench size identification. Chrome vanadium steel Flexible head ratcheting wrenches Meets / exceeds ANSI industry specs Stamped markings for easy wrench size identification 7-piece set Metric wrenches Shop All Dewalt Tools Features:No Additional Features|Hand Tool Type:Wrench Set|Individual/Set:Set|Measurement Standard:M.