[Universal accessories]: these heads 3-head shaver heads are a universal replacement accessory for all Philips shavers with RQ10 and RQ12 heads and the new S series models, suitable for S9911, S9731, S9711, S9511, S9111. [3-head design]: Large shaving area, improved shaving efficiency, annular double-surface knife net, sharp and reliable, does not get stuck, quickly shave your beard.[Easy to install]: This RQ12 shaving head with cool and fashionable color, easy to match with the shaving case, convenient to clean, easy to install without tools or complex operations. [Wide application]: The RQ12 shaving head can replace the old or broken head before, make the product look new and reuse it. Lightweight and small, easy to store and carry, can be easily put in your bag, suitable for home, travel, professional barber shop [Durable ABS and Stainless Steel Material]: The replacement shaver heads are made of high-quality ABS and stainless steel, good wear resistance, not easy to corrode, safe