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 to your face, with precision slots designed to easily capture whiskers and hairs, providing a safe and smooth shave without scratching. Sharp Blades: This upgraded blade replacement head enhances shaving efficiency and saves time. The sharp blades help avoid 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: 6 x Shaver Blade. Only the items listed are included; other products are not part of the package. Note: Due to lighting and display differences, the color in the image may vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.