General description The 2Pcs 21B Replacement Shaver Foil Head is designed for various models in the 3 Series, enhancing your shaving experience with advanced comb teeth technology that effectively guides hair into the trimmer. This results in a more efficient and comfortable shave, reducing the need for repeated passes. Technical specifications Material: ABS and stainless steel Dimensions: Measurement allowed error is +/- 1-3cm Compatibility and accessories Compatible with 3 Series models: 300S, 301S, 310S, 320S, 330S, 340S, 360S, 380S, 3000S, 3010S, 3020S, 3030S, 3040S, 3080S, 350CC, 370CC, 390CC, 3050CC, 3090CC, Cruzen6, and more Package includes: 2 * 21B Shaver Head, 2 * Clean Brush Installation Easy to install Usage For best performance, clean the shaver head regularly Replacing the head can provide a 25% better shave Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product