General description The 45 Pack SH30 Replacement Heads are designed for Shaver Series 3000, 2000, 1000, and S738. These replacement heads feature durable sharp blades that enhance your shaving efficiency while ensuring a safe and smooth experience. Technical specifications Material: Plastic + Metal Color: Silver Package Contents: 45 x razor blades Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with models: PT724/41, PT729/41, S738/17, S738/82, S1150/81, S1160/81, S1570, S1560/81, S3310/81, S3310/86, S3560/81, S3560/86 Installation Replacement of shaving heads can be done in minutes. After installation, place a small drop of oil on each head and let the razor run for 10 seconds to ensure proper functioning. Usage For maximum shaving performance, replace your shaving heads every 12 months. Allows for both wet and dry shaving and is washable. Other information Fine protective net with rounded edges for a 360-degree fit. Precision slots effectively catch