80 Piece Set Includes:20 Cap /Button 20 Socket 20 Eyelet /Post 20 Stud =80 pack (snap set) 
20 Durable DOT Caps DOT® Snap Fastener Button Silver 11/64″ Barrel (Nickel) is made of top quality nickel-plated brass and is used for cloth-to-cloth and cloth-to-surface applications. The button rivets to a the socket.
Button Color: BLACK
Button Diameter: 5/8 inch
Barrel Diameter: 5/32 inch
Barrel Length: 11/64 inch (suitable for materials up to 1/8″ thick)
20 Durable DOT SOCKETS Dot Snap Fastener Normal Action BLACK Socket is a top quality nickel-plated brass socket that is used for cloth-to-cloth and cloth-to-surface applications. A button  rivets to the socket. This is a normal action socket, meaning it will separate from the stud with use of normal force. For applications needing a stronger hold, use a hard action socket.
The installed socket and button can then be snapped to a stud. For cloth-to-surface installations, use a stud with an integrated screw and for cloth-to-cloth applications use a stud in conjunction with an eyelet.DOT® snap fasteners are excellent for covers, cushions, dodgers, Bimini's, and other applications. DOT® snap fasteners can be used as a forestay hank for sails under 100 square feet when installed on tabs of fabric or webbing.
20 Durable DOT Standard Studs. DOT® Dot Snap Fastener Standard Stud is a top quality nickel-plated brass stud that is used for cloth-to-cloth applications. The stud rivets to an eyelet (sold separately). An installed button and socket can be snapped to the installed stud and eyelet.
DOT snap fasteners are excellent for covers, cushions, dodgers, Bimini's, and other applications. 
20 Durable DOT Eyelets / Posts.  DOT® Dot Snap Fastener The Dot Eyelet is made of top quality nickel-plated brass and is used in cloth-to-cloth applications. The eyelet rivets to either an eyelet stud or a Pull-The-Dot stud. An installed button and socket can then be snapped to the installed stud and eyelet.
Barrel Length: 1/4 inch (suitable for materials up to 3/16″ thick)
An installation tool is required.
Durable™ is a trademark of Scovil, Inc DOT® is a registered trademark of Scovil, Inc.