Within 18 months, your shaver will have cut an average of 6,000,000 hairs. To accomplish this substantial task, the cutting elements will gradually wear out and your shave may become less close and comfortable. Therefore, it is recommended to replace your shaver's foil and cutter block every 18 months to maintain your shaver's maximum performance. For an efficient shave every day. Fitment: for Braun Series 3 (320-4, 340 w/d-4, 350-4, 380-4, 390-4) and Triple Action FreeFloat shavers Compatible with: Series 3 300s, 310s, 320s, 340S, 350cc, 390CC, 3000BT, 3010s, 3040s, 3050cc, 3070cc, 3080s and 3090cc Electric shavers The shaver head should be replaced every eighteen months. Replacing your shaver head yields a 25% better shave. For performance; clean regularly. This item is an economic and affordable replacement part. You can renew your old shaver head with such an affordable replacement part. Color: Black+Silver Material: Plastic + Metal Package Contents: 1 * Shaver Head 1 * Cleaning Brush 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.