1Suitable for 40B:CT2S CT4S CT2CC CT4CC CT5CC CT6CC2,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 get the best 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 highlights 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 will maintain its best condition for many years.Color as shownMaterial: Plastic+MetalPackage Contents:2 x shaving accessories