ITEM NAME:10 x Diamond Cutting Wheel Discs Blades + 2 Arbor Shaft for Rotary Tools 20 D8C4 10 x Diamond Cutting Wheel Discs Blades + 2 Arbor Shaft for Rotary Tools 20 D8C4 Have high cutting efficiency, high durability, and stable quality. With long service life, it has a high hardness, wear resistance, and excellent impact resistance. Suitable for cutting various metals/ precious stones/jade etc. diameter: 20mm Color:silver Material: diamond Granularity: 150 Thickness: 0.6mm Hole diameter: 3mm Scope: electric grinder Package included: 10 x Diamond Cutting Discs 2 x Arbor Shaft Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.