[Comfortable Close Face Touch]: The upgraded sh50 Replacement heads Compatible with for series 5000 replacement heads have an ultra-thin head, with a slot for shaving long beards, and a hole for shaving the shortest stubble. that there is no residue after shaving. The ComfortCut Blade System with rounded profile heads slides smoothly across your skin while protecting it from nicks and cuts. [Compatible with Multiple Series]:The sh50 replacement head Compatible with for electric shaver series 5000(S5xxx), AquaTouch (S5xxx), AquaTouch (AT8xx, AT7xx) and PowerTouch (PT8xx, PT7xx). [High Cutting System]: The sh50 blades compatible with 5000 replacement heads are dual cutting system with lift and cut technology. 360 degrees without dead ends. Gently remove your beard, painless and cleaner, the round head design perfectly protects your skin from scratches. [Easy Replacement & Installation]: Easy to and replace a head- just two minutes. After installation, put a drop of oil on each nozzle and run for 10 seconds to get the best experience. It's recommended that you replace the shaving head every 12 months to get the max shave performance. Colour:Silver Material:Metal Package Contents: 6x Replacement Heads 2x Cleaning brush Only the above package content, other products are not included. 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.