The shaver h-ead is nice replacement parts for shaver to keep high performance, replacement for B-raun CoolTec CT2s CT2cc CT3cc CT4s CT4cc. Features: Replace your old or broken one to keep high performance. Easy to replace the shaver h-ead by yourself. Made of premium quality material, long life to use. Recommend replace the shaver h-ead every 18 months. Replacement for B-raun CoolTec CT2s CT2cc CT3cc CT4s CT4cc. Specifications: Material: ABS + Metal Color: Blue Item Size: 61 * 42 * 26mm / 2.4 * 1.65 * 1.02in Package Weight: 19g / 0.67ounces Package Size: 61 * 42 * 26mm / 2.4 * 1.65 * 1.02in How to Replace Your Shaver H-ead: For old models which have a foil and a cutter block as two independent parts you will need to change the parts in two steps: First remove the foil, either by pressing the release button if your shaver has one or by pulling the foil. Then rotate the cutter block by 90 degrees and pull it off, hold it at the ends to stop touching the blades. To fit parts, simply carry out the same procedure in reverse. Packing List: 1 * Shaver H-ead