Braun 10B series 1 screen foil and cutter combination. Package contains foil and cutterblock. Fits all cruZer 2000 Series Shavers and all FreeControl 1000 Series Shavers. Models/Types 1775, 2865, 5729, 5733. Number on Packaging 10B/1000/2000 Replacing the Foil and Cutter Block every 18 months will ensure that you are getting the close, quick and comfortable shave you expect from your Braun Shaver.