Gedore 1 B-017 Combination spanner set 17 pieces 6-22 mmCombination wrench: 6mm Combination wrench: 7mm Combination wrench: 8mm Combination wrench: 9mm Combination wrench: 10mm Combination wrench: 11mm Combination wrench: 12mm Combination wrench: 13mm Combination wrench: 14mm Combination wrench: 15mm Combination wrench: 16mm Combination wrench: 17mm Combination wrench: 18mm Combination wrench: 19mm Combination wrench: 20mm Combination wrench: 21mm Combination wrench: 22mmCarefully forged and professional machined Slim ribbed open end for added strength guarantees maximum torques The jaws are ground precisely to exact size for optimum contact areas Ring: 10 degrees offset from shaft, with Unit Drive profile for gentle transmission of force High bending strength - does not fracture of splinter when overloaded, thus minimizing the risk of injury Overloading indicated by deformation Non-glare matte chrome-plated finish The offset ring ensures a better grip on deep-seated or inset nuts or bolts Top-grade industrial quality for the hardest of continuous use Selection of sizes most in use Acc. to DIN 3113 Form B, ISO 3318, ISO 7738 GEDORE vanadium steel 31CrV3, chrome-plated With same size each end, ring 10 degrees offset from shaft, with UD profile