This folding key set is designed for durability and longevity. It features a sturdy aluminum handle that is ergonomically designed for comfort and a secure grip while tightening screws and bolts. The keys fold for easy access and convenient storage. Each blade is made from S2 steel and finished with a black oxide coating to enhance corrosion resistance. The set includes T9, T10, T15, T20, T25, T27, T30, T40.