Fiskars 45mm Rotary Cutter, Titanium Premium-Steel Blade. Fiskars 45mm Rotary Cutter, Titanium Premium-Steel Blade, Ergonomic Handle. Or choose the revolutionary DuoLoop Rotary Cutter to alternate between a 45 mm blade, when cutting thinner materials or multiple layers of thick materials, always to have the optimal tool when bringing your vision to life.