Feature: Easy installation. Clean the machine before installation. On average over 18 months, and for Braun shaver it will cut an average of 6,000,000 hairs. As you perform this important task, the cutting parts will gradually wear out and your shave may become less close and more comfortable. We therefore recommend changing your shaver's foil block and blade every 18 months to maintain maximum performance of your shaver. For a perfect shave every day. Suitable for 5 series models: wfs1 wfs2 530 550 590 8585 8985 8995 8975 5643 5645 5646 5647 5649 ContourPro550, ContourPro560, ContourPro570CC, ContourPro590CC Color: as shown Material : Stainless Steel Package Contents: 1 x Shaving Accessories Only the above content packaging, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.