Combination wrenches, open and offset ring ends. 6 x 6 mm (Ø 10.4 mm). 7 x 7 mm (Ø 11.1 mm). 8 x 8 mm (Ø 12.6 mm).
9 x 9 mm (Ø 14.1mm). 10 x 10 mm (Ø 15.4 mm). 11 x 11 mm (Ø 16.8 mm). 12 x 12 mm (Ø 18.2 mm).
13 x 13 mm (Ø 19.6 mm). 14 x 14 mm (Ø 21.0 mm).15 x 15 mm (Ø 22.4 mm). 16 x 16 mm (Ø 23.8 mm). 17 x 17 mm (Ø 25.2 mm).
18 x 18 mm (Ø 26.7 mm). 19 x 19 mm (Ø 28.0 mm). 20 x 20 mm (Ø 29.4 mm). 21 x 21 mm (Ø 30.7 mm).