This pack of 5 trout flies, created by a1 trout flies, is perfect for any fly fishing enthusiast looking to catch a trout. These flies are designed to imitate bloodworms, with a negative buoyancy that allows them to sink to the bottom of the water. They are size 12 barbed and have an olive colour, as shown in the picture. The bait shape is a worm, and they are suitable for fishing in any depth of water, as they have an unlimited diving depth. The material used to make them is mixed, ensuring they are durable and long-lasting. The Willie's blood-worm model is a popular choice amongst fishing enthusiasts, and these flies are no exception. They are ideal for catching trout and are perfect for use in fly fishing. The pack contains 5 flies, each with a sinking weight, and they are made in the United Kingdom. The item weight and unit quantity are specified in the product information, and they come in a pack with a BL 20 marking. These trout flies are a must-have for any angler, and they are sure to help you catch a fish on your next fishing trip.