Modified Barnhart 5-6 with slender blades. The terminal shank is 10 mm long with a blade width of 0.7 mm. Barnhart curettes have universal blades that have sharp cutting edges on both sides of the blade and a rounded toe. The terminal shanks of Barnhart curettes are long and slender. Featuring our DuraLiteĀ® ColorRingsā„¢ Handle, additional handle options are shown below.