General description Replacement electric shaver head designed for the 53B Series, providing optimal performance and a closer shave. This product is brand new and made from high-quality materials. Technical specifications Compatible models: 50-R1000S, 50-B1300S, 50-R1320S, 50-R1300S, 50-M4000Cs, 50-M4200Cs, 50-M7200CC, 50-W4320Cs, 50-B7000CC Color: Black Material: Plastic + Metal Measurement allowed error: +/- 1-3 cm Installation Easy to install Clean the razor before installing the new head Usage Replacement head ensures 100% performance for a closer shave Other information Package Contents: 2 x Shaving Head Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product