The Gillette Labs Universal Replacement Blades can be used with all Gillette Labs razors, including the Gillette Labs Razor with Cleaning Element and the Gillette Labs Heated Razor. This innovative razor blade features five Gillette blades and has an opening in the center that allows the Heated Bar and Cleaning Element to snap in with a click. With this universal replacement blade, you can easily swap out blades, regardless of which Gillette Labs razor you prefer. Gillette Labs razors make excellent gift sets for men, especially when combined with a replacement blade set.