For maximum shaving performance, it is recommended to replace your shaving head 12 months.Made of high quality materials for durabilityDelicate and exquisite, highly match the equipment.Easy to install and removeand portable: being so mini and light-weight, this product does not take much space and can be taken .Applicable Model:HQ8100, HQ8140, HQ8142, HQ8150, HQ8160, HQ8170 , HQ8174, HQ9100, HQ9140, HQ9160, HQ9170, HQ8141, HQ8155, HQ8172, HQ8173, HQ8200, HQ8240, HQ8241, HQ8250, HQ8253, HQ8260, HQ8261, HQ8270, HQ8290, HQ9020, HQ9070, HQ9080, HQ9090, HQ9161, HQ9190, HQ9199, PT920 HQ9070 HQ9080 HQ9090 HQ7810AT series:AT920 AT921 AT922 AT926 AT928PT series:RQ1050 ;PT920 PT922 PT923 PT925 PT927Model Number: HQ9Product: replacement head for Appliance Type: Electric ShaversType: ReplacementType: Shavers AccessoriesProduct category:Electric and hair removercolor:SilverMaterial:Stainless steelPackage Contents:3 x 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.