For STRANDS (S 25-30 or 28) consisting of: vise 120 mm jaw width, 2 clamping screws complete, 1 quick-release drill chuck 1-13 mm B16, 1 taper arbor B16/MK3, and 1 reducing sleeve each MK3 to MK2 / MK2 to MK1 – tool set MK 3