Foil and cutterblock. Fits Series 1 shaver models Blades should be replaced every eighteen months. Replacing your blade gives a 25% better shave. For best performance, clean regularly. Replacement foil & cutter blocks help to maintain your shaver's maximum performance Recommended changing your shaver's blades every 18 months as the cutting parts gradually wear out over time, and your shave may become less close and comfortable. After replacing them you get back of your shaver's performan Shaver Replacement Foil and Cutter for , Easy to install, but without package. Fits for Shaver Models: 110 120 130 130S 140 150 150s-1 815 835; Fits for Shaver Type: 5682 5683 5684 5685 Product Name: Shaver Replacement Foil and Cutter for This is an aftermarket foil, But the quality is also good. Colour: Black Material: Plastic+Metal Package Contents: 10 x Shaver head 10 x Blade Cutter 10 x clean 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.