For maximum shaving performance, it is recommended to replace your shaving head 12 months.Made of materials for durabilityDelicate and exquisite, highly match the equipment.Easy to install and remove and 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.