Hillman 41799 Panel Nail, 1-5/8 in L, Steel, Panel Head, Ring Shank, Walnut, 6 oz, Pack of 5Walnut panel nails are used to attach panel board to indoor materials such as drywall. These nails are painted to blend in with the surface of the panel. The flat head and ringed shaft provide security in fastening your panel board to prevent slipping. Do nut use in treated lumber or where corrosion is a concern. Unit: PK UPC: 008236435665 Model Number: 41799