Replacement Head For Philips Shaver PT720 PT725 PT722 PT726 AT750 AT910 S1320 S1520 1. Material: Metal, Plastic 2. Recommended blade replacement every 18 months to maintain sharpness and minimize skin friction. 3. Universal fit ensures clean, smooth shaves with skin-friendly design to prevent irritation. 4. Tool-free installation: Easy replacement without additional tools. 5. Compatible models: Suitable for Philips PT710, PT715, PT720, PT721, PT722, PT724, PT726, PT727, PT728, PT730, PT731, PT732, PT734, PT735, PT736, PT737, PT739, PT786, AT800, PT810, PT815, PT860, PT866, PT868, PT880, AT810, AT811, AT814, AT890, AT891, AT893 AT910 AT911 AT750 AT751 AT752 AT753 AT754 AT757 AT758 AT798AT891 AT926 S1320 S1520 S3110 S3520.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!