Philips Shaver Series 3000 SH30/50, 3 pc, Replacement blades for Men, Not getting the same precision results with your shaver as before? It’s time to change the blade. The Philips Shaver Series 3000 SH30/50 replacement blades ensure the same smooth shave as with a new shaver. Characteristics: ensures the smoothest of shaves does not irritate the skin easy to change How to use: Follow the instructions included.