General description Timco Light Duty Nylon Hammer Fixings are designed for securing timber to various masonry substrates, including concrete, brick, and block. These fixings are ideal for use in clean and dry environments. Technical specifications Dimensions: 5 x 50mm Driver Bit Size: PZ2 Screw Sizes: 3.3 x 55mm, 5 x 30mm, 5 x 50mm, 6 x 40mm, 6 x 50mm, 6 x 60mm, 6 x 70mm, 6 x 80mm Material: Carbon Steel with Zinc finish Other information Countersunk head for a flush finish Strong collar to support the drive nail Pack size: 200