General description Timco Light Duty Nylon Hammer Fixings - 6 x 80mm (80 Pack) are ideal for securing timber to various masonry substrates, including concrete, brick, and block. The countersunk head ensures a flush finish, providing a neat appearance. Technical specifications Driver Bit Size: PZ2 Plug Size: 6 x 80mm Screw Size: 3.5 x 85mm Material: Carbon Steel with Zinc finish Usage Suitable for clean and dry environments.