1.Suitable for 40B:CT2S CT4S CT2CC CT4CC CT5CC CT6CC 2,High-Quality Materials: It is made of high-quality materials to achieve continuous, efficient and easy-to-use characteristics. 3,The Best Shaving Effect: In order to the best shaving effect continuously, we recommend that you change the shaving head 18 months. Within 18 months, your electric shaver can trim more than 6 hairs, thereby gradually reducing pruning performance. 4, Processing Technology: The replacement head adopts a processing technology to which more the texture of your shaver. 5, Performance: Changing the head can your shaver's performance and a better shave effect. By changing the head regularly, the shaver will maintain best condition for many years. Color as shown Material: Plastic+Metal Package Contents: 2 x shaving accessories 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.