Feature: 1. Adjust Speed: Electric motor polishing machine working speed can be easily adjusted in 2000 to 40000RPM, the working voltage is 0.25‑0.4mpa, and the water pressure: 0.25‑0.4mpa. 2. Easy Install: Brushless motor polishing machine can be used for different high and low speed handpiece work, easy to install and remove, which bring you much convenient. 3. Heat Resistance: Electric dental Grinding machine can be cleaned at 135°C high temperature, effectively avoiding dirts, which is safe and healthy for you to use. 4. Widely Use: Electric Grinding machine suitable for high speed bending machine, optical fiber straightening machine, 45 degree low speed bending machine, optical fiber bending machine. 5. Excellent Plastic: Electric motor polishing machine made of plastic material, firm and sturdy, which can be used for a long time and will not broken easily. Specification: Item Type: Electric Motor Grinding Machine Material: ABS Speed: 2000-40000r/min(adjust) Water Pressure: 0.25-0.4mpa Product without working head (high and low speed handpiece) delivery . Package List: 1 x Host 1 x Power Adapter 1 x Power Cord 1 x Manual 3 x Rubber Ring 1 x Head Protection Cover 1 x Joint Protection Cover Note: Use the configured adapter when working. Do not use other adapters. Do not use this product in the electromagnetic environment with strong magnetism field or electric field.