Shape and block animals with ease. Self tensioning. This A5 style clip-on blades slices through animal hair to help you fit them for show. High carbon steel blades offer a superior edge. Teeth tips of top and bottom blade are set even with one another to provide the user with an extremely controlled cutting experience 17 upper teeth, 18 lower - Fits A5 style clippers Shape and block animals with ease. This A5 style clip-on blades slices through animal hair to help you fit them for show. High carbon steel blades offer a superior edge. Cuts are even and tidy (even up close). Teeth tips of top and bottom blade are set even with one another to provide the user with an extremely controlled cutting experience. Snap-on blades are self-tensioning which is helpful for both new and experienced users. 17 upper teeth, 18 lower - Fits A5 style clippers. Do not use blocking blades against the skin.