Material: The shaver blade is made of high-quality material, enabling both wet and dry shaving, and it is washable. Fine Protective Net: The rounded edges of the protective net provide a 360-degree fit to your face, and the precision slots efficiently capture whiskers and hairs. This ensures a safe and smooth shave without scratching. Sharp: This upgraded replacement head enhances shaving efficiency and saves time. The sharp blades help avoid pulling on whiskers and hairs. 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 and 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 6 x Shaver Blade 3 x Shaver Blade Only the above package content is included; other items are not part of this package. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.