【Widely Compatibility】Engineered for seamless compatibility,our SH50 replacement heads compatible with shavers Series 5000 S5210/81,S5290/88,S5370/81,S5590/81,S5660/84,compatible with(S5xxx,AT8xx,AT7xx),and(PT8xx,PT7xx) models,ensuring a perfect fit for a hassle-free shaving experience. 【Dual-Blade Precision】The innovative double-blade design ensures an ultra-close shave,the first blade lifts each strand of hair,while the second blade shears it off just below the surface of the skin,resulting in an impeccably smooth finish every time. 【Smooth Shaving Experience】Our premium blades are expertly designed to capture each hair at the optimal angle,delivering a shave that's 30% closer with fewer passes,ensuring your skin feels extraordinarily smooth and well-cared-for post-shave. 【Simlicity In Maintenance】Our SH50 replacement blades for the 5000 series are not only engineered for a perfect shave,but they're also designed with simplicity in mind.Swapping out dull blades for sharp new ones is effortless,and the new blades for replacement heads sh50 can be easily clicked into place and cleaned,maintaining hygiene with minimal effort. 【Value Pack】Package comes with 3 SH50 for replacement heads and 1 free cleaning brush,providing an economical and convenient solution to refresh your shaver.For optimal performance,we recommend changing the shaving heads every 12 months to maintain peak shaving efficiency. sh50