Hexagon and outer wedge double ratchet wrench set ideal for the tradesman on the go 20 sizes with only one key can be used for loosening as well as for tightening fine toothed material cr v steel assembled in a high quality aluminum case includes 1x ratchet wrench 14 x 19 mm 72 teeth 9x hexagon inserts 8910111213151617 mm 9x outer wedge inserts e8 e10 e11 e12 e14 e16 e18 e20 e22