Material: The shaver blade is made of high-quality material that enables both wet and dry shaving and is washable. Fine Protective Net: The rounded edges of the protective net fit 360 degrees to 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 help avoid pulling on 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 Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.