Designed to start sharp and stay smooth* *Based on guys who shave at least 4x per week reporting that their 8th shave was as smooth as their 1st. 5 German Blades For a close, comfortable shave Lubricating Strip For a smooth, even glide Precision Trimmer For those hard-to-reach areas Flex Hinge Contours to your face Ergonomic, No-Slip Grip Designed for control Our blades work with all Harry's reusable razor handles.