The TIMCO Multi Fix Concrete Screw is a versatile and reliable screw designed for use in concrete, brickwork, and blockwork. With a size of 150 x 7.5mm, these screws are ideal for a wide variety of heavy-duty fixing applications. Each box contains 100 pieces ensuring you have enough supply for your construction needs. Made with high-quality materials, these screws offer excellent pull-out resistance and rotational stability.