Compatible with: SH30/50/52 replacement heads are compatible with shaver series 1000, 2000, 3000, 5000, S738, AquaTouch (S5xxx), AquaTouch (AT8xx, AT7xx), and PowerTouch (PT8xx, PT7xx) click and style models. Please check your shaver model before purchasing to ensure compatibility. Clean shave: Each replacement head features 9 precision blades designed to help shave facial hair efficiently, providing a close and clean shave. The shaving heads are washable—rinse after use or clean with a brush for maintenance. 360-degree design: These SH30/50/52 replacement blades feature a rounded, end-free design that helps protect the skin from irritation while effectively removing unwanted hair. Practical and comfortable to use. Easy installation and replacement: These replacement heads are simple to install. After installation, apply a drop of oil on each head and run the shaver for 10 seconds to maintain optimal performance. It is recommended to replace the shaving heads every 12 months for best results. Installation steps: Step 1: Ensure the shaver is turned off to avoid injury, then remove the old head. Step 2: Press the release buttons on both sides to detach the head. Step 3: Gently rotate and separate the head bracket from the shaving head. Step 4: Remove the old head and install the new replacement head. Wide compatibility: SH30/50/52 replacement heads fit Shavers Series 1000, 2000, 3000, 5000, AT750, AT899, PT710, PT880, SW5700, SW5710, SW5720, XZ5800, XZ5810, HQ7100, HQ7390. Features: - Easy to replace - Washable heads - Precision cutting Specifications: Color: Silver Material: Metal Package Contents: 3 x Replacement Heads Note: Keep away from children due to small parts. The package includes only the items listed above; other accessories are not included. Please note that lighting effects and monitor settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.