Material: Made with plastic and metal, suitable for both wet and dry shaving, washable for easy cleaning. Fine Protective Net: Rounded edges fit 360 degrees to your face, precision slots catch whiskers and hairs for safe, smooth shaving without scratching. Sharp Blades: Upgraded blades enhance shaving efficiency, saving time and avoiding pulling. Easy to Install: Replace in minutes. After installation, apply a tiny drop of baby oil on each head and run shaver for 10 seconds for proper operation. Replace heads every 12 months for best performance. Compatible 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: as shown. Package Contents: 6 x shaver blades. Only the above package content, other products not included. Note: Light reflection and different displays may cause color variation; measurement error allowed +/-1-3cm.