CHRWANG High Quality Secure Men Manual Operating Shaver Razor Blade 5 Layers 4 Pcs It is manual measurement, there may be 2-3mm error. And item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. hope understand. Quantity: 4 razor blades Fits For The Gillette Fusion And Gillette Fusion Power Material:Alloy Scope: 5 layers of razor blades