This set of 10 flies is perfect for those looking to try Czech nymphing for the first time, or to fill a few gaps in their fly box. The 'Must Have' Czech Mates fly selection features 10 of the most wanted Czech Nymphs in our entire range. Each pack contains the following flies; Hare's Ear Cream Super S12 (x2), Pink S10 Hare's Ear S12 (x2), Czech Nymph Olive (SM) S10 (x2), Hydropsyche (SM) S10 (x2).