Feature●2 Solid bits, 25 mm, for screws with TORX drive (T 6 / 7)●" hexagon drive (shank to ISO 1173 - C 6.3), S2 steel, precisely fitting blade tips●green coloured ring to indicate that bit is intended for screws with TORX drive (T)Description Specially blasted surfacePrecisely fitting blade tipTough toolSmall tolerances