The 48mm Rubi Conical Diamond Grinding Stone is the larger option in this range, designed for enlarging and modifying holes up to 48mm diameter in landscaping materials. This size is particularly useful when working with larger fixtures, substantial drainage installations, or when significant hole diameter adjustment is required. The conical profile of this 48mm grinding bit allows for gradual, controlled enlargement from 20mm up to the full 48mm capacity, making it ideal for stepped modifications or when precise diameter matching is essential. The diamond-impregnated surface maintains its cutting performance even when working with tough materials such as porcelain, ceramic, or natural stone. Perfect for professional landscapers and keen DIY enthusiasts alike, this grinding stone transforms rough or undersized holes into perfectly finished openings ready for final installation. Features and Benefits: • 48mm maximum diameter capacity for larger hole modifications • 20-48mm range allows progressive enlargement • Diamond construction for long-lasting performance • M14 threaded connection for secure mounting • Suitable for smoothing, polishing, and cleaning applications Specifications: Diameter: 48mm Wheel Type: Grinding Stone Contents: 1 x RUBI Conical Diamond Grinding Bit 20-48mm