Product description:

Brand: Asieg Tool
Material: Solid tungsten Carbide
Shape: Round，Square and Diamond
Size of Round Carbide Insert: 12*2.5mm-30°
Size of Square Carbide Insert:11*11*2.0mm-30°
Size of Diamond Carbide Insert:28*10-35°R with 2 Radius Points，32*10-35°R with 2 Sharp Points，
Hole: one countersink hole
Fits for: AT02 Woodturning Tool Set
More Features:

Ideal for giving you a smooth finish on curved, concave surfaces , hollowing jobs and for general turning applications
Cutter rotates give you numerous fresh edges without sharpening
Compared with steel the solid carbide stays sharp for longer
Other standard size Carbide Cutter Inserts for Wood working and Woodturning Tools in our Amazon shop：

Square：

14*14*2.0mm
15*15*2.5mm
15*15*2.5mm-R50
15*15*2.5mm-R150
Diamond：

10*28mm with Radius Point
10*32mm with Sharp Point
Round：

8.9*1.85mm
12*2.5mm
Note:

0.01-0.02mm error might exist due to manual measurements,thanks for your understanding;
Knives are sharp please be careful When using blades;
Please don't let children touch it.