The Dritz "Easy Attacher" Snap Fastener Kit contains supplies needed to attach snap fasteners to garments and accessories. Snap fasteners are used as closures on sewing projects and DIY care and repair. They are ideal for tops, sweatshirts, plackets, wallets and more. The "Easy Attacher" tool makes application easy and can be used to apply size 15 (3/8") and size 16 (7/16") Dritz Snap Fasteners. This package contains 4 sets of size 16 (7/16") nickel snap fasteners plus the "Easy Attacher" tool for application.