All our products are subject to strict product quality inspections before they are shipped out of the warehouse. If you have any questions, please contact us, we will provide you with the best solution, please rest assured to buy! Applicable Models: SH50/52 Replacement Heads for Philip Norelc Shavers 5000 Series S5420 S5120 HQ8 Shaving Heads Cutter for Men Built to strict quality control standards. Please note that this is not manufactured by the original brand, but its high performance, meets or exceeds standards. 【Note】the real product may vary from the product images display, however, it will be more like your original shaver head appearance, so please read the suitable model carefully and make sure your old one match our compatible list.