Gateway Parabolic Feathers Lime 5 in RW 12 pack 1006457. Each feather features a round back shape and stands approximately 16.5 millimeters tall at its highest point with an average weight of 3.63 grains. Specifications for Gateway Parabolic Feathers 1006457: Manufacturer: Gateway Color: Green Features of Gateway Parabolic Feathers: 5-inch right wing parabolic (round back) shape 12-count package Average height: 16.5 millimeters Average weight: 3.63 grains per feather Suitable for hunting and target arrows Compatible with all arrow shaft materials Package Contents: Gateway Parabolic Feathers