Technical specifications: - Head size: 11.35 × 14.00 mm. - Head: Hygienic head system. - Head dimension: 1.2 2 x 1.3 2 mm. - Spray: Four water spray. - Speed: 300,000-440,000 rpm. - Working pressure: 0.20-0.30 MPa. - Working current: 160 mA. - Head type: Standard / Torque. - Hole type: 4 holes. - Noise level: 60-65 dB. - Weight: 0.15 Kg. - Material: Copper body. - Bearing type: Ceramic bearings.