General description The 9-piece Torx Key Set features long arm hex keys designed for quickly tightening or loosening fasteners. Made from durable chrome vanadium steel, these keys offer high hardness and torque, making them suitable for both professionals in garages and workshops as well as amateurs for home assembly tasks. The set includes sizes T10 to T50, catering to various needs. Technical specifications Material: Chrome vanadium steel Hardness: Up to 56 degrees Sizes included: T10 (1.5mm), T15 (2mm), T20 (2.5mm), T25 (3mm), T27 (4mm), T30 (5mm), T40 (6mm), T45 (8mm), T50 (10mm) Other information Polished surface with double nickel chrome plating for rust resistance Hollow bottom design supports special torx screws with concave points Comes in a foldable storage box with printed item specifications for easy sorting and carrying