[Professional precision]: The Series 5/6 53B foil head shaver replacement heads are made of high-quality materials with good waterproof and rust-resistant properties, making it easy to remove and clean after shaving. [Fit model]: Compatible with Braun Series 5/6 53B electric shaver replacement head, model 6072cc, 6090cc, 6020s, 6040cs, 6075cc, 5018s, 5049cs, 5035s, 5020s, 5050cs, Compatible with All New Generation Series 5/6 Electric Shavers, 53B. [Warm Tip]: Recommended that you replace the shaver head every 18 months, to reduce the degradation of shaving performance, and clean regularly. Color: Black Material: Plastic + Metal Package Contents: 2 x shaver head Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.