Technical specifications: - Fiber optic contra angle 1:5. - Max speed: 200,000rpm. - Water spray: Four water spray. - Material: Stainless steel. - Mode of bur changing: Push button. - Connection method: E-type. - Bur specification: 1.6 mm, FG bur, applies to ISO standards. - Bearings: Imported ceramic bearings. - Color: Black.