Contents 6 pieces: number 6 6x7 8x9 10x11 12x13 14x15 16x17mm Metric, with unequal widths across flats Acc. to DIN 3110, ISO 3318, ISO 1085, ISO 10102 Jaw set at 15 degree, Jaw ground precisely to exact nominal size for optimum contact areas Secure grip thanks to slim profile shaft GEDORE vanadium steel 31CrV3 Hot-drop forged Non-glare look thanks to matte chrome-plating Top-grade industrial quality for the hardest of continuous use, carefully forged and professionally machined High bending strength - does not fracture or splinter when overloaded, thus minimizing the risk of injury Overloading indicated by deformation.