Inner spiral cup design with smooth exterior for superior paste delivery, greater interproximal reach and less splatter. Precision-manufactured internal-drive components deliver reliable, smooth performance. Proprietary grip for a light, secure grasp, greater rotational control and reduced hand fatigue. Compatible with most common low-speed handpieces. Not made with natural rubber latex. Hu-Friedy Disposable Prophy Angles feature ergonomic and design enhancements to improve clinical outcomes, reduce clinician stress and maximize patient acceptance.