?If you are not completely satisfied,you can ask for a replacement or a refund.- "SH60/72 replacement head, compatible with Philipsi." This SH60 replacement head was not created by Philipsi. ?Excellent design: Follow the contours of your face, its system adjusts easily to every curve, minimizing both pressure and irritation. Durable to use. If you feel pulling on the stubble, after the break-in time they will stopped pulling and cut nicely. ?Easy to replace: Replace your blades in a few steps. Pls replace your shaver parts every 12 months to maintain maximum performance. ?Function: Replacement blade, capture hair in fewer passes for a smooth shave. ?Compatible with Philipsi Norelco Series 6000 shavers, For models S6810, S6820, S6850, S6880. Non original aftermarket part.