Review (5/5): So happy they are SO universal.
These blades are almost impossible to find in a drugstore, and the postage to order them on-line is twice the cost of the item. But for all that, it is worth it to be able to buy them online, have them delivered, and there when you need them. This blade fits many different brands of callous removers. Thank you, Germany, for making them. They are sharp, and stay that way for a reasonable length of time.