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 rounded edges of the protective net provide a 360-degree fit to your face. Precision slots help easily capture whiskers and hairs, allowing for a safe and smooth shave without scratching. Sharp: This upgraded replacement head improves shaving efficiency and saves time. Sharp blades reduce pulling on whiskers and hair. Easy to Install: Replace the shaving heads in minutes. After installation, apply a small drop of oil on each head and run the shaver for 10 seconds to ensure proper operation. For best results, replace 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 OR 6 x Shaver Blade OR 3 x Shaver Blade Note: Only the items listed above are included. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.