1.Suitable for : 2000 series models: 2615, 2675, 2775, 2776, 2778, 2864, 2865, 2866, 2874, 2876, 2878, 5732, 5733, 5734 and Z20, Z30, Z40, Z50, Z60, etc. (but the color of the omentum frame be different) Also available for series models: CruZer3 CruZer4 CruZer5 2, Materials: It is made of materials to achieve continuous, efficient and easy-to-use characteristics. 3,The Shaving Effect: In order to get the shaving effect continuously, we recommend that you change the shaving head every 18 months. Within 18 months, your electric shaver can trim more than 6 million hairs, thereby gradually reducing pruning performance. 4,Special Processing Technology: The replacement head adopts a special processing technology to which more the texture of your shaver. 5,Restore Performance: Changing the head can restore your shaver's performance and get a better shave effect. By changing the head regularly, the shaver maintain its condition for many years. Color: As shown Material: plastic + metal Package Contents: 3 x knife net 1 x knife head Only the above package content, other products are not included. Note: Light 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.