Material: The shaver blade is made of high-quality materials, 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 effectively capture whiskers and hairs, providing a safe shave without scratching. Sharp Blades: This upgraded blade replacement head enhances shaving efficiency and saves time. The sharp blades help prevent pulling on whiskers and hairs. Easy to Install: Shaving heads can be replaced in a few 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 optimal performance, 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 Shaver Blade Note: Light reflection and different display settings 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.