Compatible With Multiple Series: SH50/52 Replacement Blades Compatible With Philips Shaver Series 5000 (S5xxx), (AT8xx, AT7xx) And (PT8xx, PT7xx). Sh50 Heads Compatible With Norelco Replacement Heads 5000 Series S5370/84, S5370/81, Shaver AT790/40,S5660/84, S5590/81, S5290/88, S5210/81. Comfortable Shaving:Sh50/52 Replacement Head Compatible With Philips Norelco Series 5000 Electric Shavers Have Precision Cutting System, SH50 Men's Electric Shaving Replacement Head Blade Have An Ultra-thin Head,The Skin-friendly Design And Material Of These Replacement Heads 5000 Series Allows Smooth Skin Contact And Comfortable Shaving, Painlessly And More Clean. Round Head Design Provide Your Skin From Scratching Perfectly. High Precision Cutting System:Series 5000 Replacement Blades Enhance The Shaving Experience With An Ultra-thin Head And 9 Sharp, Powerful Blades Inside That Cut Through Your Beard Quickly Without Pulling On It. 360-degree Shaving Is Gentle, Painless, And Cleaner, And The Rounded Head Design Is Perfect For Protecting Your Skin From Nicks And Scratches. Important: After Installing The 5000 Replacement Heads, Apply A Small Drop Of Baby Oil To Each Blade And Let The Shaver Run For 10 Seconds. These Steps Will Help Ensure Proper, Smooth Operation And Extend The Life Of Your Shaver. For Best Results, Replace Every 12 Months. Packge&Service: 6Pcs SH50 Replacement Blades For Series 5000 Shaver , 1-Pack Brush. One Year Hassle-free Service And Lifetime Support. Any Questions, Please Contact Us, We Will Be Glad To Serve You. (This Item Is A Replacement, Not Original.) Sh50 Replacement Heads For5000 Series Electric Shavers Replacement Blades, New Upgrade Sh50 Razor Replacement Blades For AquaTouch (S5xxx), PowerTouch (PT8xx, PT7xx) And AquaTouch (AT8xx, AT7xx)