Double honed for extreme sharpness, OLFA® 18 mm heavy duty ultra-sharp black snap-off blades are 25% sharper than standard OLFA® silver blades. These heavy duty blades are manufactured from high quality Japanese carbon tool steel. use heavy duty ultra-sharp black blades for any application requiring superior sharpness. Eight segments per blade deliver a fresh new edge quick and easy.

OLFA®, LBB-50B, Snap Blade, Heavy Duty Ultra Sharp, Ultra Sharp Blade, 18 mm Blade Width, 0.031 in Thickness, 8 Sections, Compatible With: 18 mm Utility Knives, Carbon Steel, Black

• Double-honed edge for superior sharpness
• Snap quick and easy for new sharp cutting edge every time
• Designed for maximum cutting performance and ideal for applications where superior sharpness is required
• Ultra sharp black blade has a 25% sharper edge for less cutting resistance
• Exact 59 deg edge angle optimizes cutting power and minimizes blade breakage

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/OLFA_J201B_12_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/OLFA_J201B_12_Catalog.pdf