Teng Tools TX Key Set 9 Pieces Entretenidas Tarjetas Para Trabajar Los Antnimos ~ DIPLOMAS GAFETES Y. The Teng Tools TX Key Set provides durability and convenience for working with Torx fasteners. Made from robust chrome vanadium steel with a black finish, each key can be easily removed or used directly from its individual holder. The set comes with a folding plastic holder to keep all keys organized and accessible, making it ideal for workshop or on the go use. Key Features: Durable chrome vanadium steel with black finish Individual key holders for easy removal and use Folding plastic holder keeps keys organized 9 piece set for a wide range of Torx applications