You are viewing our listing for the ultimate Diawl Bach Nymph collection from V Fly, we have 28 patterns in sizes ranging from 10 to 14 to cover all aspects of nymph fishing at any time of the year. Top patterns tried and tested all over the country the Diawl Bach nymph is our go to fly and is never far from our cast all year round. Select the patterns and sizes you require and all UK orders will be sent Royal Mail Tracked free post. International options listed.