6Pcs SH50/52 Replacement Heads for Philips Norelco 5000 Series Electric Shavers S5370 S5660 S5590 S5290 Blades Heads SH50/52 sharp blade heads replacement for series series 5000 S5370/84, series 5000 S5370/81, Tric shaver AT790/40, Series 5000 S5660/84, Series 5000 S5590/81, Series 5000 S5290/88, Series 5000 S5210/81,AquaTouch-AT8xx, AT7xx, PowerTouch-PT8xx, PT7xx._x000D_ RESET TO NEW: Replace your shaver heads every 12 months to reset your shaver to a one, to get a better using experience_x000D_ COMFORTABLE: SH50 replacement shaver heads with 9 blade heads just like the original heads, offer you a super comfortable and close shave_x000D_ EASY TO REPLACE: Take out the old shaving heads carefully and then insert replacement; check the heads align exactly in the setting. When you close the shaving head properly, you will hear it click into Material:Metal_x000D_ colour:silver Package Contents:_x000D_ 6 * Shaver Head Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_