The 05022640001 Wrench set by Wera is a set of 9 pieces of different wrenches, each designed to work with standard hexagon keys, including ball heads for improved ergonomics. The set is made from high-grade chrome-vanadium steel for a longer life and is clear-coated for rust-resistance and longer life. Each wrench is precisely machined and finished for powder-free handles and anti-slip gripping surfaces. The set includes 6 hex keys in inch sizes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm and 8mm. The kit also includes a thumb-screwdriver for extra versatility.