General description SH90 Replacement Heads for Shavers Series 9000 are designed for optimal shaving performance. Made of high-quality materials, these replacement heads are easy to install and ensure a close shave. For maximum performance, it is recommended to replace the shaver heads every 6-12 months. Technical specifications Applicable models: All shavers with RQ10 and RQ12 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 Material: Plastic + Metal Measurement allowed error: +/- 1-3cm Compatibility and accessories Includes: 1 x shaver head, 1 x cover Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.