Material: The shaver blade is made of high-quality materials, enabling both wet and dry shaving. It is fully washable. Fine Protective Net: The protective net features rounded edges and a 360-degree contour fit for your face. Precision slots effectively capture whiskers and hairs, providing a safe and smooth shave without scratching. Sharp Blades: This upgraded replacement blade head enhances shaving efficiency and saves time. The sharp blades reduce pulling on whiskers and hairs. Easy to Install: Replace the shaving heads in minutes. After installation, apply a small drop of baby oil to each head and run the shaver for 10 seconds to ensure smooth operation. For best results, 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: 9 x Shaver Blade Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.