This is a rotary cutter with pizzazz. This blue Olfa rotary cutter is the splash version with quick change blade. The size of the blades are 45 mm. See my other listings for replacement blades.

DETAILS:
• Made from high-quality tungsten tool steel

This OLFA® rotary blade cuts up to six layers of fabric at a time, saving you precious time. Because the blade is made of tungsten tool steel, it retains its sharp edge, saving you money.