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 shaveLubricating Strip - For a smooth, even glideErgonomic, No-Slip Grip - Designed for controlPrecision Trimmer - For those hard-to-reach areasFlex Hinge - Contours to your faceOur blades work with all Harry's reusable razor handles.