Size : 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm
-Blade : Chrome-vanadium steel, through hardened, nickel-plated.-Standards : ISO 2936K.-This holder fits easily into every ruler pocket.-Popular key sizes kept in a well-organised holder.