Made in Japan Olfa Model No. HBB-20B 20 blades in pack 25 mm (1\”) wide blade – Extra heavy duty snap-off blade Olfa\’s ultra-sharp black blade – Premium carbon tool steel black HBB blade – 25% sharper than the LB silver blade Seven (7) segments per blade Fits most 25 mm snap knives Product Description Specs These Olfa 25 mm Replacement Blades have an exceptional razor-sharp edge. Premium black blade Japanese carbon tool steel coupled in a double-honed blade provide 25% more sharpness than silver OLFA blades. The 1\” blade provides more leverage on extra heavy-duty substrates. Each blade come with seven segments. The segments are notched deep and straight to provide a clean snap. When a section is dull, simply snap for a new, ultra-sharp edge. OLFA Black Snap Blades are exceptionally sharp and durable for a variety of applications. Sold as 20 PK of blades. Fits most Olfa 25 mm heavy duty snap-off utility knives. Made in Japan. From the Manufacturer – About OLFA: OLFA brand blades are made with top quality materials, forged with technologies that stem from traditional sword-making, sharpened with technologies that give a blade life, and ultimately finished with the craftsmanship that brings all of this together. The holders and handles that allow users to gain the full cutting performance of these high quality blades are designed, developed and manufactured in Japan and subjected to stringent quality checks throughout the process. Product Blade Width Model # Part # Olfa \”HBB-20B\” 25 mm Replacement Black Blades – 20 Pack 25 mm (1\”) HBB-20B 1082209 For California Residents: WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood