Specification: Brand new Material: PC + nickel Size: approx. 43*24*22mm Compatible with: New Model: 195S, 197S, 199S, 195, 19799199 400 FIX400, Old Model: 310, 330, 340, 4735, 4736, 4737, 4747, 4775, 4835, 4845, 4875, 4876, 5491, 5492, 5493, 5494, 5495, 5713, 5714, 5715, 5716, 5742, 5743, 5745, 7475, 7493, 7497, 7504, 7505, 7510, 7511, 7514, 7515, 7516, 7520, 7526, 7540, 7546, 7564, 7570, 7630, 7640, 7650, 7664, 7680, 7690, 7763, 7765, 7783, 7785, 7790, 5746 Fine workmanship. Easy to install. Convenient to use. Package included:1 x 30B Razor Replacement Foil +CutterFor old model 7475,7493,7497,7504,7505,7510,7511,7514,7515,7516,7520,7526,7540,7546,7564,7570,7630,7640,7650,7664,7680,7690,7763,7765,7783, 7785, 7790,5746. For old model 310,330,340,4735,4736,4737,4747,4775,4835,4845,4875,4876,5491,5492,5493,5494,5495,5713,5714,5715,5716,5742,5743,5745,. For New Model: 195S, 197S, 199S, 195, 19799199 400 FIX400,. Within 12 months, your shaver will cut an average of 6,000,000 hairs. In accomplishing this substantial task, the cutting parts will gradually wear out and your shave may become less close and comfortable. That's why recommends changing your shaver’s foil and cutter block every 18 months to maintain your shaver’s maximum performance. For an efficient shave every day. 100% brand-new, never ever been utilized, all parts are tested and quality controlled prior to shipment.