1Efficient Shaving: This replaceable shaving head set has a helical mesh design for an effective deep cutting, leaving no stubble for a cleaner shave.2Fits the Curve of Face: The shaver replacement blades are designed to fit the curve of your face perfectly. The low friction tip conforms to the curve of your face and prevent you from skin damage.3Easy to Use: The replacement head has an arched edge design that allows the blade to glide smoothly over the skin, so you always have a comfortable close shave.4Replacement Regularly: It is recommended to replace your shaving blades once every 12 months for better shaving performance, The replacement head get's your shaver back to better performance and a closer shave.5Safe Material: Electric shaver replacement head set comes with ABS material and guide comb, good wear resistance, not easy to corrosion, safe to use.