High-quality Materials: Made of high-quality materials for continuous, efficient and easy-to-use features. Suitable for 5 Series: The shaver heads are suitable for 5020S, 5030S, 5040S, 5050S, 5070S and 5090CC series. Regular Replacement: The shaver head should be replaced every eighteen months. 25% Better Shave: Replacing your razor head gives a 25% better shave. For best performance, please clean regularly. Performance: The replacement head get's your shaver back to performance and a closer shave. Compatible with old and new generation Series 5 (5040s, 5030s, 5020s and etc.) 52B and 52S are common to each other, only the color is different. Colour: silver Material: stainless steel Package Contents: 1 * Shaver head Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.