Material: The shaver blade is made of high-quality materials, enabling both wet and dry shaving. It is washable. Fine Protective Net: The protective net features rounded edges that conform comfortably to facial contours. Precision-cut slots efficiently capture whiskers and hairs for a safe, smooth shave without irritation. Blades: This upgraded replacement head improves shaving efficiency and reduces shaving time. The blades minimize pulling for a more comfortable experience. Easy to Install: Replacement takes only a few minutes. After installation, apply a small drop of baby oil to each blade and run the shaver for 10 seconds to ensure optimal performance. For best results, replace the shaving heads every 12 months. Compatible With: 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: 27 x Shaver Blades Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.