These strung turkey Marabou blood quill feathers are approximately 3-4 inches. Blood quills are very soft and fluffy feathers with a barrel-like quill end. Strung feathers are stitched together at the bottom near the quill. These feathers are used in a countless number of fly patterns. Most common are Woolly Buggers, The Marabou Spey fly, and Egg Sucking Leeches. They come in a 1/4 oz package.