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 has rounded edges designed to fit comfortably against the 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 prevent pulling on whiskers and hairs. Easy to Install: Replacement of the shaving heads can be completed in a few minutes. After installation, apply a drop of baby oil to each head and run the device 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 Blade. Only the items listed are included; other products are not part of the package. Note: Lighting and display differences may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by up to +/- 1-3 cm.