Compatible with Multiple Series: SH50/52 Replacement Heads for Shaver Series 5000 (S5xxx), AquaTouch (S5xxx), AquaTouch (AT8xx, AT7xx) and PowerTouch (PT8xx, PT7xx). Newest Upgrade: The upgraded SH50 replacement head has an ultra-thin head, with a slot for shaving long beards, and a hole for shaving the shortest stubble. The skin-friendly design of these SH50 replacement heads allows smooth skin contact and comfortable shaving. High Precision Cutting System: SH50 Replacement head blades for Shaver has precision cutting system. 360 degrees without dead ends. Remove your beard gently, painlessly and more clean, round head design perfectly protect your skin from scratching. Easy Replacement: Easy to and replace a new head- just two minutes. After installation, put a drop of oil on each heads and run for 10 seconds to get the best experience. It's recommended that you replace the shaving head every 12 monthsfor the best shave result. color:Silver Material:Stainless steel size:5 x 2cm Package Contents: 6 x replacement heads Only the above package content, other products are not included. Note: Light 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.