Oster CryogenX-Ag Size 4 Blade is a clipper blade optimized with
titanium coating which increases its overall surface hardness, making
them
the longest wear-resistant blade Oster Professional Products Division
offers. These clipper blades also come with an innovative heat reducing
technology and legendary sharp cutting performance to provide the user
with the coolest and sharpest blades possible, these new blades now
have built on AgION Anti-microbial Protection. AgION Anti-microbial
Protection is proven to be very effective in preventing the growth of a
broad range of bacteria, mold, and mildew. Size 4 - Skip Tooth leaves
hair 5/8"-3/8" cut/ 9.5mm.