For maximum shaving efficiency, it is recommended to replace the shaving head once every 12 months. Made of high-quality materials for durability Delicate and exquisite, very suitable for your equipment. Easy to install and remove Compact and portable: Being so small and light, this product does not take up much space and can be easily taken away. Applicable Model: HQ8100, HQ8140, HQ8142, HQ8150, HQ8160, HQ8170 C and C, HQ8174, HQ9100, HQ9140, HQ9160, HQ9170, HQ8141, HQ8155, HQ8172, HQ8173, HQ8 200, HQ8240, HQ8241, HQ8250 , HQ8253, HQ8260, HQ8261, HQ8270, HQ8290, HQ9020, HQ9070, HQ9080, HQ9090, HQ9161, HQ9190, HQ9199, PT920 HQ9070 HQ9080 HQ9090 HQ7810AT series: AT920 AT 921 AT922 AT926 AT928PT series: RQ1050 ;PT920 PT922 PT923 PT925 PT927Model number: HQ9Product: Replacement Head for Philips Personal Care Appliance Type: Electric Shavers Type: Replacement Razor Type: Shaver Accessories Product Category: Electric Shaver and Epilator Color: Silver Material: Stainless Steel Package Contents: 3 x Razor BladeOnly the above package content, other products are not included. Note: Light reflection and Different displays may cause the color of the item in the photo to be a little different from the real thing. The measurement error is +/- 1-3cm.