[Suit for Hq9 models] - The HQ9 replacement blades for fit for 8140XL, 8150XL, 8160XL, 8170XL, 8171XL, 8175XL 8240XL, 8250XL, 8251XL, 8260XL, 8270XL, 8280XL 9160XL, 9170XL, 9171XL, 9190XL, 9195XL & 9199XL, HQ9199, HQ9190CC, HQ9170, HQ9160, HQ9140, HQ9100, HQ9090, HQ9080, HQ9070, HQ9020, HQ8290, HQ8270, HQ8260, HQ8250, HQ8240, HQ8173, HQ8172, HQ8170 HQ8160, HQ8155, HQ8150 [Comfortable] - 360 Degrees without dead ends. Remove your beard gently, painlessly and more clean, round head design perfectly protects your skin from scratching. [Easy to Replace] - Take out the old shaving heads carefully and then insert replacement; check the heads align exactly in the setting. If the first shave is not good, you can run the old screens with the Blades for a while before replacing the screens. [Latest Technology] - The screens have both round holes and through which both long and short whiskers can pass so that the blades can cut them. The blade adopts self-grinding technology, the more you use it, the it becomes. Colour:Silver Material:Metal+ABS Package Contents: 6 x Shaver Head 1 x Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.