Material: The shaver blade is made of high-quality material, enabling both wet and dry shaving, and it is washable. Fine Protective Net: The protective net has rounded edges and fits 360 degrees to your face. Precision slots easily catch whiskers and hairs, providing a safe and smooth shave without scratching. Sharp Blades: This upgraded blade replacement head increases shaving efficiency and saves time. Sharp blades help avoid pulling on whiskers and hairs. Easy to Install: Replace the shaving heads in a few minutes. After installation, apply a small drop of baby oil on each head and run the shaver for 10 seconds to ensure smooth operation. For best performance, 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: 3 x Shaver Blade Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement error allowance is +/- 1-3 cm.