Material: The shaver blade is made of high-quality material, suitable for both wet and dry shaving, and is washable. Fine Protective Net: The protective net features rounded edges that fit comfortably to your face, with precision slots designed to capture whiskers and hairs, providing a safe shave without scratching. Sharp Blades: This upgraded blade replacement head enhances shaving efficiency and saves time. The sharp blades help prevent pulling of whiskers and hairs. Easy to Install: Replacement of the shaving heads can be completed in minutes. 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: The package includes only the items listed above. 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.