Wrenches with metric, unequal wrench sizesRing sides flat cranked, DIN 897/ISO 10104Sturdy, slim, and lightweight intelligent designHigh bending strength due to double T-profileNon-slip, skin-friendly surfaceExtremely resilient, exceptionally durableDrop-forged, hardened and cooled in oil bathHigh performance quality, chrome-alloy steel, chrome platedIn cardboard packaging