The diamond cutting wheel is sharp and sturdy and is suitable for cutting gems, glass, ceramics, porcelain and ceramic tiles. Suitable for most rotary and air tools. Cutting discs diameter: 25mm/20mm/16mm; Mandrel Diameter:3.0mm. Diamond cutting disc is uniformly coated with diamond particles. It may become very hot during cutting. Adding water can extend the life of the Diamond Cutting Wheel.
Package :

10 pcs × 25mm double sided vented Diamond grit cutting wheel
10 pcs × 20mm Diamond grit cutting wheel
10 pcs × 16mm Diamond grit cutting wheel
6 pcs × mandrel

Note: For your safety, wear gloves and goggles and pay attention to sparks and splash residue when using diamond cutting tools.