Philips Norelco Replacement Head for Series 5000 Shavers， SH50/52<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Multi precision blades </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> For maximum shaving performance， it is recommended to replace your shaving unit once every 12 months </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Repacement Blade specifically for: PT7xx， PT8xx， AT7xx， AT8xx， S5xxx (Shaver series 3000， 4000， 5000) </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Product includes only 3 replacement heads. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/513N2lPJZTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51XMZmT5QmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51b9Tc8Uw8L.jpg" noproxy>