1. Material: ABS+stainless steel
2. It is recommended to replace the razor head every 18 months to keep it sharp and reduce skin friction
3. High degree of compatibility, clean shave, no skin damage
4. Easy to replace and install, no tools required
5. Compatible models: Compatible with Philips S1310, S1320, S1520, S1560, S3110, S3510, S3520, S3550, S3590, SW3700, MVL3798, PT710, PT715, PT720, PT721, PT722, PT723, PT724, PT725, PT726, PT727, PT728, PT729, PT730, PT731, PT732, PT734, PT735, PT736, PT737, PT738, PT739, PT761, PT762, PT764, PT786, PT810, PT814, PT815, PT860, PT861, PT866, PT868, PT880, PT886, PT890, AT750, AT751, AT752, AT753, AT754, AT755, AT757, AT758, AT790, AT798, AT800, AT810, AT811, AT814, AT887, AT890, AT891, AT893, AT894, AT895, AT926
6. Weight: about 30g