It provides four wrenches, the following sizes are included in the set :
No. 1 : 5.6mm, 5.7mm, 6.0mm, 6.3mm, 6.6mm, 6.8mm
No. 2 : 5.0mm, 5.4mm, 5.8mm, 6.2mm, 6.4mm, 7.0mm
No. 3 : 5.1mm, 5.5mm, 6.1mm, 6.5mm, 6.7mm, 6.9mm
No. 4 : 4.0mm, 7.1mm, 7.4mm, 5.6mm, 6.0mm, 6.2mm