OLFA 9452 RB45-1 45mm Rotary Blade, 1-Pack
OLFA Rotary Blade Refill. These 45mm replacement blades are for Olfa's 45mm Standard, Deluxe or Quick Change Rotary Cutter (not included). One blade comes in a plastic container that you can use later for storage. Made from high quality tungsten steel for durability and superior edge retention.
From the Manufacturer
Made from High-Quality Tungsten Steel For Durability And Superior Edge Retention