Dritz Hooks & Eyes Hook And Eye Dritz Hooks & Eyes W/Clear Rhinestones Size 3 3/Pkg Prym Crochet Hook You sew each piece to opposite sides of the opening by hand, and when you bring them together, the hook catches the eye to keep the opening closed. Size 1 hooks and eyes are among the smaller options available; they're typically used for fine lingerie, the top of a dress or blouse keyhole, sleeve plackets, or other places where you need a discreet closure that won't bear a heavy load. Dritz No-sew Hook & Eye Closures 4 Sets Nickel Handles Dritz No-Sew Hook & Eye Closures - 4 Sets Nickel-Plated Fasteners For Waistbands Blouse Hooks For Ladies Blouses These hooks & eyes hold finished edges together and adds a touch of sparkle to neckline openings on dresses, capes and capelets. This package contains three sets of size 3 hooks & eyes The hooks and eyes in this pack are likely metal with a finish (often in either a silver or black color), and Dritz ensures they're made smooth and strong for their size. Hooks & Eyes Size 3 Nickel 96 Sets