Gracey Deep Pocket curette, double-angled for all mesial surfaces of the posterior teeth. Better angling than 11-12 for even better access. Deep Pocket instruments have a 3 mm longer 1st shank. Ideal for deeper gingival pockets.Ergonomic, lightweight plastic handle. XP® SQUARED Technology - Maximum comfort and precision for user and patient - without any sharpening. Even sharper and longer lasting than before!