The PDT R138BC Cruise Line Breast Cancer Awareness Montana Jack DE Sickle Scaler is a dental scaler designed by PDT. This particular model is branded with the name "Cruise Line" and features a unique Montana Jack DE Sickle design. It is a specialized instrument used in healthcare, lab, and dental industries for removing dental calculus and plaque from tooth surfaces during professional cleanings. The brand PDT is known for producing high-quality dental tools and instruments, making this scaler a reliable option for dental professionals.