Braun 51B WaterFlex Shaver Foil and Cutter Combo

Technical Features for Braun 51B Replacement Cassette (Black) , For Water flex:

The advanced Opti foil has zones with differently sized holes to capture hairs growing in different directions and help cut them closer than ever before. Active Lift Braun patented 'Active Lift' technology is specially engineered for problem areas. A unique oscillating middle trimmer makes 130 movements per second which lift and cuts flat-lying hairs. Replace Braun recommends changing your shaver's foil and cutter block to maintain your shaver's maximum performance. For a perfect shave every day. 8970, 8975, 8985, 8986, 8987, 8990, 8991, 8995, 8595, 8795, 8581, 8583, 8585, 8588, 8590, 8781, 8783, 8790, WF1s, WF2s, 510, 550, 560, 570cc, 530s-4, 550s-3, 550s-4, 550cc-4, 560s-3, 560s-4, 565cc-4, 570cc-3, 570cc-4, 590cc, 590cc-3, 590cc-4, 8385 C and R, 8374, 8377 - Series 5, ContourPro.