Information: ---Scope of application: HQ9 series cutter head, HQ9, HQ8140, HQ9080, HQ9090, HQ9070, PT920, HQ8100, HQ8140, HQ8142, HQ8150, HQ8160, HQ8170 CC, HQ8174, HQ9100, HQ9140, HQ9160, HQ9170, HQ8141, HQ8155, HQ8172, HQ8173, HQ8200, HQ8240, HQ8241, HQ8250, HQ8253, HQ8260, HQ8261, HQ8270, HQ8290, HQ9020, HQ9070, HQ9080, HQ9090, HQ9161, HQ9190, HQ9199. --- PT920, HQ8140, HQ9160, HQ9170, HQ919, PT920CC, PT925, AT940, AT921. The description: Condition: new 100 . clean the razor before installing. Please make sure your razor model well. Accessories list: 3 x shaver head Attention: There are some solution about the replacement heads pull your hair: 1. Make sure you choose the correct shaver head blades for your original shaver device. 2. You can try to apply some presure that make sure the shaver more close to your hair, then shave your hair. 3. Check your electric shaver whether full charge, if not, maybe it'll shave with pain. 4. Maybe your hair are too long, you'd better cut your hair before use electric shaver to shave. 5. if the blades look dull, give it a little bit smooth oil if you have.--- Easily replace your shaver parts every 12-18 months to maintain peak performance. --- Easy to clean: multi-grid loose structure, easy to clean. --- Sharp and durable: Made of high quality ABS and high quality steel, it is very sharp and durable. --- 3 Shave Paths: Heads working with 3 shaving paths cover 50 more skin area at once for a closer and faster shave. Each rotating blade has 3 circular cutting services that really provide a great shave. ---Scope of application: Suitable for HQ8140, HQ9080, HQ9090, HQ9070, PT920 series shaver heads for Philips electric shavers.