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 replacement blade head enhances shaving efficiency and saves time. The sharp blades help avoid pulling on whiskers and hairs. Easy to Install: The shaving heads can be replaced 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: 9 x Shaver Blade. Only the items listed are included; other products are not part of this package. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.