The Hardie Blade 160mm Saw Blade is specifically designed to minimize dust production during use, making it an ideal choice for straight-cutting Hardie Backer. It fits a bore of 30mm.Traditional blades, such as continuous disk or wood blades, tend to generate excessive levels of dust and wear out quickly. By utilizing the Hardie Blade circular saw, blade costs and dust levels can be effectively reduced. This saw blade is available in various sizes, including 160 mm (with a 20/16 mm bore), 190 mm (with a 30/20 mm bore), and 254 mm and 305 mm (fixed at 30 mm bores). Overall, the Hardie Blade Saw Blade is the optimal tool for cutting all James Hardie fibre cement products.