👍You can replace the shaving heads in minutes. Place a small drop of oil on each head and perform the shaver for 10 seconds after installation to ensure the shaver works properly and smoothly. 👍Compatible with Remington Balder Pro Hair Shaver (XR7000/XR1500/XR1501),* Not compatible with XR1600/RX7/ BOSS XR7120 and XR7100 shavers 👍The round head design perfectly protects the skin from scratches. You can enjoy a safe and smooth shave without scratching. 👍Keep your razor performing super well. It is recommended to replace the shaving heads every twelve months The round head design perfectly protects the skin from scratches. You can enjoy a safe and smooth shave without scratching.