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.-Space saving ProStar allows the easy removal of each key without moving any others.