Modified Barnhart 5-6 with a rigid terminal shank. The terminal shank is 1.2 mm in diameter and 10 mm long with a blade width of 0.9 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 DuraLite Hex Handle, additional handle options are shown below.