Material: The shaver blade is made of high-quality materials, enabling both wet and dry shaving. It is washable for easy cleaning. Fine Protective Net: The protective net has rounded edges and fits snugly to your face with 360-degree contouring. Precision slots effectively capture whiskers and hairs, providing a safe, smooth shave without irritation. Sharp Blades: This upgraded blade replacement head enhances shaving efficiency and saves time. Sharp blades reduce pulling on whiskers and hairs for a more comfortable experience. Easy to Install: Replacement of the shaving heads takes only a few minutes. After installation, apply a small drop of baby oil on each head and run the shaver for 10 seconds to ensure smooth operation. For best results, replace the shaving heads every 12 months. Compatible With the Following Models: PT724/41, PT729/41, S738/17, S738/82, S1150/81, S1160/81, S1570, S1560/81, S3310/81, S3310/86, S3560/81, S3560/86. Color: Silver Material: Plastic + Metal Package Contents: 9 x Shaver Blade Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by up to +/- 1-3 cm.