Parabolic Feathers by Trueflight. Length: . Left Wing. 100 Pieces. Profile 9/16". This top-grade product is expertly made in compliance with stringent industry standards to offer fusion of well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.