Combination wrenches, metric. ISO 691, ISO 7738, ISO 3318, ISO 1711-1 and DIN 3113 standard. Material: High-performance steel alloy. U-shaped shaft provides for greater comfort. Jaw position 15° with thin head for improved accessibility. Double-hex with dynamic drive-profile provides longer life of the screws and nuts. 15° angled at ring side. Larger and two-sided size marking for easy identification. Chrome-plated micro matt-design with high quality surface. Patented U-shape.This text is machine translated.