The Lot 2 Trex Hideaway Universal Hidden Fastener / Screws includes 90 fasteners per pack, offering 50 square feet of coverage. Made of stainless steel with a black finish, these fasteners are designed with a square drive style and have one hole per leaf. Manufactured by Trex in the United States, this model (Trex Hideaway UNIVCONCLIP01) ensures a secure and hidden fastening solution for various home improvement projects.