MCS Low Speed LED Inner Coolant E4 Set 2 Pcs. Specifications : - Low speed air motor. - 1:1 direct drive water. - Spray Inner channel. - Hole type: 4 holes. Contra angle: - LED Generator. - 1: 1 direct drive. - Chuck type: push button. - Spray the Inner channel. - Bur applicable: Ø2.35mm. - Rotation speed: MAX40, 000rpm. - Rotation speed: 20,000rpm. - Set of 2 Pcs. **For further product information , please contact Chat Support**