1.Suitable for 3 series 30B :310330 340 199 197s-1 195s-1199s-1 473547364737474547754835484548754876 571357145491549254935494574357455742 747574937497750475057510751175147515751675207526754075467564757076307640 7650766476807690776377657783778577902High-Quality Materials: It is made of selected high-quality materials to achieve continuous efficient and easy-to-use characteristics.3The 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.4Special Processing Technology: The replacement head adopts a special processing technology to which more highlights the texture of your shaver.5Restore 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 accessoriesOnly the above package content other products are not included.Note: Light shooting 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.