Stahlwille 10 piece set of metric combination spanners made from chrome alloy steel and chrome plated manufactured to din 3113 form aiso 7738 form a the spanners each have offset ring ends which are equipped with anti slip drive profiles to permit high transmission of forces to the flats of the nuts and bolts without damaging them the set contains the following sizes8 9 10 11 12 13 14 15 17 and 19mm made in germany