Chocklett's Feather Changer Natural feathers make the Feather Changer incredibly light and easy to cast, and provide undulating movement in the water from even the slightest current. The lifelike action and profile provided by the highly articulated fly body triggers the predatory instincts of the fish you?e targeting. The small size are 3 1/2" long with a single 1/0 hook The Large size are 5" long with a #4/0 hook and a size 2 stinger hook