Innovative Tools 200mm Concrete Recess Disc, designed to streamline puddle flange recessing. Featuring a 100mm wheel bearing that fits perfectly inside a 100mm drainage pipe, it guides precise recessing of a 200mm diameter, allowing the Puddle Pro 100mm Puddle Flange or any other Puddle flange with a diameter less than 200mm to sit flush with the concrete surface. Enhance efficiency and accuracy in your installations with this cutting-edge tool.