Omnigrid 28mm Rotary Cutter Replacement Blades, 2-Pack
Omnigrid Rotary Blade refill for Omnigrid 28mm Rotary Cutter, Item 2045.  Blades are made from tungsten-carbon steel. Make sure to have extra blades. Easy to change and are double-honed for maximum sharpness. Keep blades in plastic case for safety and mark blades for uses: paper, fabric, etc. Caution! Blades are extremely sharp.