The Ingco 8-piece folding hex key set is crafted from durable chrome-vanadium steel with a chrome-plated finish for long-lasting use. Featuring sizes from 2mm to 8mm, the compact foldable design with an ergonomic handle ensures easy grip and portability, perfect for bike repairs, furniture assembly, and DIY tasks. The ball-end tips allow angled access for hard-to-reach spots.