Compatible With: Compatible with Phillips Shaver series 5000 (S5xxx), AquaTouch (S5xxx), AquaTouch (AT8xx, AT7xx), PowerTouch (PT8xx, PT7xx) Such as: S5008, S5010, S5011, S5013, S5015, S5070, S5077, S5078 S5079,S5080, S5081, S5082, S5090, S5091, S5095, S5110 S5130, S5210, S5230, S5370, PT726, PT735, PT860 Please do check the model of your shaver models before purchg to make sure it's the product you need Solution to Problems Like Pulling Hair: 1.Because our replacement heads only has 9 blades (not same as the original one), you can try to apply some pressure that make sure the shaver more close to your hair, then shave your hair. 2.Please check your electric shaver to see whether it's full charge, if not, maybe it'll shave with pain. 3.Maybe your hair are too long, you'd better cut your hair before use electric shaver.? Premium Quality?These Shaver Heads Replacement Rotary Blades are brand new with high quality, if you are not satisfied with it, contact us to return it. ?Note?This is not the original shaver head, but it perfect replacement for your damaged shaver head. Replacement Heads only include 3 Shaver Heads and 1 clean brush. ?Washable And Easy to Clean?For super convenient care and maintenance, the SH50 replacement heads are fully washable. After use, simply hold the shaver under running water to clean. ?Dual Blade Precision Cutting System?First Blade Lifts, Second Blade Cuts for a Comfortable Close Shave. The SH50 shaver has ultra-thin heads with slots to shave long hairs and holes to shave the shortest stubble. ?Comfort Shaving Heads?The electric shaving heads with upgrade double layer premium fine steel blades, remove your beard gently, painlessly and more clean, round head design perfectly protects your skin from scratching.