The 20mm Fencing Staples 150g U nails are tough and sharp enough to keep straight when you hammer them in and can be used with various types of materials, including wood and drywall, Suitable for use in most types of concrete walls, brick, plaster, and pine.  20mm length x 2mm diameter50g pack size (approx 48 staples) Buy now:https://bit.ly/3rJ1qC9