This set is specifically designed for removing locking wheel nuts, rounded wheel nuts and thin-walled sockets without damaging alloy wheels. Made from chrome molybdenum steel with a black phosphate coating for enhanced durability and corrosion resistance. The set includes sizes 17, 18.5, 20, 21.5, 23, 24.5, 26, 27.5mm. Supplied inside a sturdy plastic storage case.