Havalon NSLG22-100 Carbon Steel Blades, #22, Box of 100. These are the blades taxidermists and professionals use the most in non-sterile carbon steel. They all fit the #4 handle or the #6 handle. Each blade is foil wrapped to prevent unwanted corrosion. Your order includes one box of 100 blades. If you are new to these blades, the #22 is by far the most popular blade in this size group.