The double-ring knife net increases the area where the beard enters, and the shaving speed is faster. net is elastic and can float, which effectively relieves the pressure on the face during shaving, without irritation to the skin, and makes shaving more comfortable. The blade and knife net are processed by electrochemical process to avoid the appearance of metal burrs. net is round and , comfortable and skin-friendly. Hold the cutter head to one side, the cutter head is facing the fuselage, and break apart to remove the cutter head. Press vertically to complete the installation. Product name: electric shaver head Colour:black Material:ABS+metal Package Contents: 1 x 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.