Classic Loop 45mm Rotary Cutter : high-grade, precision-ground, 45 mm stainless steel rotary blade for long-lasting sharpness curved, loop-handle design provides a natural fit for your hand, improves control and lets you keep the loop rotary cutter in hand while you rearrange materials.Ergonomic 45mm Rotary Cutter: The 45mm rotary cutter is ergonomically designed to reduce joint fatigue. The blades can also be installed on both sides of the rotary cutter, perfect for both right- and left-handed users.Safe Rotary Cutter: Your safety is our top priority. The rotary cutter is designed with a safety button to lock the blade.More Affordable: Nicapa 45mm rotary cutter is equiped 5 extra replacement blades, you can use more timesMultipurpose: Nicapa rotary cutter is fit for cutting multiple layers of fabric, paper, felt and vinyl.