When you need more cutting action for tough materials, choose the OLFA 25mm HSWB-1/1B Saw Blade with serrated tooth edge for extra heavy-duty cutting. These 25 mm (1") blades are crafted from premium Japanese carbon tool steel for long-lasting sharpness with teeth that will stand up to plastics, wood, & more. For use in most 25mm utility knives. Sold as 1 blade in pack.    Made in Japan.,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.,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 Olfa "HSWB-1/1B" 25 mm Replacement Saw Blade