Material: The shaver blade is made of high-quality material, enabling both wet and dry shaving, and it is washable. Fine Protective Net: The rounded edges of the protective net fit comfortably to your face, with precision slots designed to catch whiskers and hairs for a safe shave without scratching. Sharp Blades: This upgraded replacement blade head enhances shaving efficiency and saves time. Sharp blades help reduce pulling on whiskers and hairs. Easy to Install: Replace the shaving heads in minutes. After installation, apply a drop of baby oil on each head and run the shaver 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 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.