[High Precision Cutting System]: The SH90 replacement head features a dual precision cutting system with lift and cut technology, providing 360-degree flexibility without dead ends. Compatible with Norelco 9000 series replacement heads, it gently removes beard hair painlessly and cleanly. The round head design helps protect skin from scratches. [Comfortable Close Face Touch]: The upgraded RQ12 replacement heads for Norelco Series 9000 Prestige shavers include an ultra-thin head with a slot for longer beards and holes for shortest stubble, ensuring a residue-free shave. Compatible with Norelco S9000 replacement heads. [Easy Replacement & Installation]: The SH90 replacement head for Norelco S9000 series is easy to remove and replace—takes only about two minutes. After installation, apply a drop of oil on each nozzle and run the shaver for 10 seconds for optimal performance. It is recommended to replace the shaving head every 12 months for best results. Fitment: S9911, S9731, S9711, S9511, S9111, S9031, S9988, S9151 Suitable for: All RQ10 and RQ12 razor heads S9000 Series: S9911, S9731, S9711, S9511, S9111, S9031 RQ12 Series: RQ1250, RQ1250CC, RQ1260, RQ1260CC, RQ1280, RQ1280CC, RQ1290, RQ1290CC, RQ1251, RQ1251CC, RQ1252, RQ1252CC, RQ1265, RQ1265CC, RQ1285, RQ1285CC, RQ1286, RQ1286CC, RQ1295, RQ1295CC, RQ1296, RQ1296CC, RQ1297CC, RQ1255, RQ1255CC, RQ1258, RQ1258CC, RQ1275, RQ1275CC Note: The new Honeycomb series is not universally compatible. Color: Silver Material: Metal Package Contents: 1 x Replacement Complete Head Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the item and the image. Measurement may vary by +/- 1-3 cm.