Material: The 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 designed to fit comfortably against your face, with precision slots that effectively capture whiskers and hairs for a safe, scratch-free shave. Sharp Blades: This upgraded replacement blade head enhances shaving efficiency and saves time. The sharp blades help reduce pulling on whiskers and hairs. Easy to Install: Shaving heads can be replaced in minutes. After installation, apply a drop of baby oil to each head and run the shaver for 10 seconds to ensure smooth operation. For optimal performance, replace 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 Blade Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.