Our Comfort Loop Rotary Cutter with a 45 mm blade makes cutting quilting materials a breeze, and an updated blade and handle make every job even easier. The blade features a titanium coating that is three times harder than steel for improved durability and lasting sharpness, the handle includes Softgrip to reduce hand fatigue. A curved shape with a loop handle provides a natural fit for your hand to improve control, and a versatile design provides excellent blade visibility for right or left handed users. It even includes a sliding button that extends the blade during use and retracts it for safe storage. Blades snap in or out easily for quick replacement.