OLFA 28mm Rotary Cutter Replacement Blades, 10 Blades (RB28-10) - Tungsten Steel Blade for Quilting, Sewing, and Crafts Fits Most 28mm Rotary Cutters
Rotary Blade Refill. These 28mm replacement blades are for Olfa's RTY1 and RTY/DX (not included). This package contains ten blades.