These hollow-ground blades produce the thinnest edge possible, for unsurpassed sharpness. 
Double cutting edge.
Sterile. 12/box 
1/pouch. 12 pouches/box.
Blades are available in two versions to fit reusable handle styles:
Collet-style Handle  BL-0425
Adapter-style Handle BL-1425

These products cannot be sold to the general public and only sold to medical professionals