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 efficiently capture whiskers and hairs, offering a safe and smooth shave without scratching. Sharp Blades: 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: 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 Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.