
Suitable for metric screws and hex nuts Inserts with 1/4" (6.3 mm) square drive – with side knurling for better holding 11 socket wrenches on metal rail with hexagonal profile, each with a total length of 50 mm In key widths 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 and 13 mm Made of chrome vanadium steel, matt chrome plated