Gold Star Yellow Zinc Multipurpose Star Drive, #9 x 3". Use T25 bit and conveniently packed in a reusable 1 lb container. Includes one Free Bit-Inch. An excellent fastener for general purpose applications in hard and soft woods, chipboard, and other tough materials. Gold Star Yellow Zinc screws are also removable and reusable great for retro roof applications, post and beam construction, log to log, gutter installation and much more.