10pcs/set Diamond Cutting Wheels with 3mm Mandrel Diamond Cutting Discs Cut-off Wheel Blades Set Replacement for Dremel Rotary Tool with Storage Box

Features:
The cutting wheels can turn your rotary tool into high-speed cut-off saw and grinding machine.
Inner part adopts high hardness steel material, long working life and not easy to deform.
Cutting part are diamond coated material for extra strength and long life of blades.
Sharp and strong, suitable for cutting gemstones, glass, ceramics, porcelain, carbide, etc.
Mandrel diameter: 3.0mm; cutting discs diameter: 19/22/25mm(with holes), 16/18/20/22/25/30/40mm(without holes).