1: For maximum shaving performance, it is recommended to replace your shaving head once every 12 months. 2: Made of high quality materials for durability 3: Delicate and exquisite, highly match the equipment. 4: Easy to install and remove,Clean the razor before installing 5: Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. Fitment:For Philips S5000 S5370 S5571 S5420 S5140 S5078 S5077 S5050 S5082 S5380 S5400 Razor Blade Colour:Silver/Black Material:Plastic+Metal Package Contents: 1 * Shaver Head 1 * 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.