The Grum Face Ergo Razor Cartridge Replacement Heads come in a pack of 8 sets, with each set containing 4 cartridges. These brand new and sealed cartridges are designed specifically for the Grum Face Ergo Razor, featuring stainless steel blades for a comfortable and efficient shave. With 3 blades per cartridge, these refill cartridges are perfect for maintaining your facial hair and ensuring a smooth and close shave. Made in the United Kingdom, these black cartridges are compatible with the Grum Face razor model, making them a convenient and reliable option for men looking to replace their razor blades.From smoke and pet free home.