Material: The shaver blade is made of high-quality material, suitable for both wet and dry shaving, and is washable. Fine Protective Net: Rounded edges on the protective net fit comfortably to your face, with precision slots designed to capture whiskers and hairs, providing a safe shave without scratching. Sharp Blades: This upgraded replacement blade head improves shaving efficiency and saves time. The sharp blades help avoid pulling on whiskers and hairs. Easy to Install: Replace the shaving heads quickly and easily. After installation, apply a 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 Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.