450mm Petrol Floor Saw Hire A robust, convenient all-round petrol 450mm Floor Saw. The adjustable handle ensures an ergonomic working position and perfect weight distribution gives excellent stability while sawing. Other features include a large integrated water tank (quick connection for water hose to the blade guard), a depth indicator and a retractable hand wheel. When placing your order online, please remember to add a Diamond Blade if required. Using a 450mm Floor Saw indoors or in confined spaces could cause fatal carbon monoxide poisoning. Never use a 450mm Floor Saw in domestic premises and only use it in other indoor situations if its suitability and the ventilation required have been fully assessed. Mechanical extraction ventilation will almost always be required.