Description: ? Material: PC + Nickel ? Easy to install and remove ? Easy to use and clean Compatible with 30B: Fits for B-raun Series 3 7000 4000: New Model ? 195S, 197S, 199S, 195, 19799199 400 FIX400 Old Model ? 310, 330, 340, 4735, 4736, 4737, 4747, 4775, 4835, 4845, 4875, 4876 ? 5491, 5492, 5493, 5494, 5495, 5713, 5714, 5715, 5716, 5742, 5743, 5745, 5746 ? 7475, 7493, 7497, 7504, 7505, 7510, 7511, 7514, 7515, 7516, 7520, 7526, 7540, 7546, 7564, 7570, 7630, 7640, 7650, 7664, 7680, 7690, 7763, 7765, 7783, 7785, 7790 Note: ? For maximum shaving performance, it is recommended to replace your shaving unit once every 18 months ? Non original aftermarket part. Please make sure well your razor model before you order Package Includes: 1x Replacement Shaver Foil Head + Cutter Set? Package Includes: 1x Shaver Foil Head + Cutter Set. ? Within 18 months your shaver will cut an average of 600000 hairs. When completing this substantive task, the cutting part will gradually wear away, and your shaving may become less compact and comfortable. Therefore, we recommend that you replace the metal foil and blade of the razor every 18 months to maintain the maximum performance of the razor and facilitate your efficient shaving every day. ? Compatible with New Model 195S, 197S, 199S, 195, 19799199 400 FIX400; Old Model: 310, 330, 340, 4735, 4736, 4737, 4747, 4775, 4835, 4845, 4875, 4876, 5491, 5492, 5493, 5494, 5495, 5713, 5714, 5715, 5716, 5742, 5743, 5745, 5746, 7475, 7493, 7497, 7504, 7505, 7510, 7511, 7514, 7515, 7516, 7520, 7526, 7540, 7546, 7564, 7570, 7630, 7640, 7650, 7664, 7680, 7690, 7763, 7765, 7783, 7785, 7790. ? Compatible for B-raun 30B 310 330 Series 3 7000 4000. ? Direct replacement to your original unit. Plug-and-play, direct fit, easy installation.