Material: The shaver blade is made of high-quality materials, suitable for both wet and dry shaving, and is washable. Fine Protective Net: The protective net features rounded edges and a 360-degree contour fit for your face, with precision slots designed to easily capture whiskers and hairs, providing a safe and smooth shave without scratching. Sharp Blades: This upgraded replacement blade head enhances shaving efficiency and saves time. The sharp blades help reduce pulling on whiskers and hairs. Easy to Install: The shaving heads can be replaced in 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. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.