Used to secure plasterboard to timber stud work. The collated strips are specifically designed to be compatible with all leading power tool brands. NOTE: Partially threaded. Features The collated strips are specifically designed to be compatible with all leading power tool brands Specification Colour/Plating - Black Phosphate Recess Type - Phillips Head Type - Bugle Pack Type - Box Pack Quantity - 1000 Size - 3.5 x 25mm