These unigloves razor blades are for prepping the body before tattooing or any SPMU work. Designed specifically for removing hair on the area of skin to be worked on. This prevents in growing hairs and your needle becoming clogged up. It features a single blade sharp enough to remove hair cleanly and with ease. Made to the highest of standards for a strong and resilient finish that can be relied on. a must have for the professional artist.