Feature(may vary by option.)
●Set Includes: 1 each cylindrical (large, medium, and small), spherical type 0.08 inch (2.0 mm)●Shaft Diameter: 0.09 inches (2.35 mm)●Maximum Rotational Speed: 30,000 rpm●Tools used: Battery-operated, electric mini router, flexible shaft[Spherical]

[Hyper Type]

[Cylindrical & Spherical]
Description
For precision processing such as deburring, cutting, carving, letter engraving, pattern engraving, etc.
Can be used on stone, glass, shellfish and wood from metal, stainless steel, precious metals, etc.