RQ11 Replacement Heads Designed for use with Philips Norelco Shavers 6100, 6500 and 66000 (formerly SensoTouch 2D electric shavers)-Easy to Replace the New Blades : Beauty & Personal Care - Amazon.com
Shaver series 7000 SensoTouch Shaving unit RQ11/53 | Philips
Norelco SensoTouch 2D Metal Heads for Philips Shaver/Razor RQ1160 RQ1170 RQ1180 | eBay
RQ11 Replacement Shaver Head for philips RQ1150 RQ1160 RQ1180 RQ1141 RQ1145 RQ1131 RQ1151 RQ1155 RQ1150X RQ1160X RQ10 RQ12 SH70