These are Micromotor ProB1 135 for nails with pedal 45000 revolutions per minute.

The Micromotor ProB1 Estas is a milling machine specifically designed for the removal of gel and acrylic, improving and speeding up the treatment of hands and feet.

• Rotational speed up to 45,000 revolutions per minute;
• Reversible direction of rotation;
• Comes with a foot pedal for better speed control during use;
• Standard tips: 2.35mm.