Hillman 1/2 in. Joint Galvanized Steel Joint Fastener Joint Head

The Hillman Group 1/2 inch galvanized 5 gauge steel corrugated joint fasteners can be used to create a strong, reliable joint between materials. The 5 gauge fasteners provide a durable connection and are made of steel. 1/2 inch size
7 gauge
Attaching upholstery where fasteners will show
Made of steel