Perdigon variants in multiple colours are a great go-to for euro-nymphing in both local waters, and those further afield. Tungsten gets you down quick and the glossy body has the extra bit of flash to get the trout's attention.
A minimum quantity of 2 flies of the same size has been set for this item due to the staff time and labour it takes to fulfill fly orders. In our experience it's always nice to have a spare if you happen to lose one on a rock or tree branch too!