For the removal of sub-gingival calculus and root cleaning. Universal curettes can be used in any area of the mouth with a semicircular tip used at 90° to the root surface of the tooth. Sharpened on both sides of the blades.(aka: GF-1) Univesal scaler for removal of heavy calculus on interproximal spaces TWEEZER CRANE-KAPLAN LEFT TWEEZER CRANE-KAPLAN LEFT CURETTE GRACEY LONG TYPE 1/2