Head size: Ø10.28 x 12.70mm Specifications: - Speed 400,000 – 300,000 rpm. - Working Pressure 0.30 – 0.20. - Stainless steel Housing – Copper Body. - Ceramic bearings. - Push button chuck. - Integrated head. - Four water sprays. - Micro Filtration system. - Hygienic head system. - Anti-back suction. - Hygienic head system. - Anti-back suction.