Compatible with: For 5643, 5644, 5645, 5646, 5647, 5649, 5751, 5757, 5758.Compatible with the following models: For Braun 51S and similar models, see description for specific models.Easy to assemble and disassemble: easy replacement without tools.Tip: clean the shaver better before changing the head. It is recommended to replace the shaving heads every 18 months to keep them sharp.Colour: silverMaterial: plastic + metalPackage Contents:1 * Omentum1 * Cutter head1 * Cleaning brushOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is + 13cm.