Material: The shaver blade is made of high-quality materials, enabling both wet and dry shaving, and is washable. Fine Protective Net: The rounded edges of the protective net are 360 degrees contoured to fit your face, and the precision slots easily catch whiskers and hairs. You can enjoy a safe and smooth shave without scratching. Sharp Blades: This upgraded replacement blade head increases shaving efficiency and saves time. Sharp blades also help avoid pulling whiskers and hairs. Easy to Install: You can replace the shaving heads in a few minutes. After installation, apply a small drop of baby oil on each head and let the shaver run for 10 seconds to ensure proper and smooth operation. For best performance, replace your 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. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allows an error of +/- 1-3 cm.