H5 Hygienist/33 Jacquette, Anterior Sickle Scaler Product Details: H5 Hygienist/33 Jacquette Hallow Handle, 10mm dia Surgical stainless steel Completely Sterilizable H5/33 Sickle Scaler are highly recommended for the cleaning of the mesial and distal surfaces of the front teeth and premolars. Our scalers are very fragile and have precisely shaped working ends, guaranteeing accurate and careful treatment. The anatomically balanced, light handles ensure even during longer procedures fatigue-free working.