Fiskars 197990-1001 Easy Change Ergo Control Rotary Cutter, 45mm Ideal for cutting multiple layers of fabric, paper, felt and even vinyl Magnetic blade change system makes replacing a blade quicker, easier and safer Slim design offers a clear line of sight to improve the precision of right- and left-handed users Premium steel 45 mm rotary blade features a titanium coating that is 3X harder than steel for improved durability and lasting sharpness Full lifetime warranty (excludes blades) Ideal for cutting multiple layers of fabric, paper, felt and even vinyl Magnetic blade change system makes replacing a blade quicker, easier and safer Slim design offers a clear line of sight to improve the precision of right-and left-handed users Precision-ground 45 mm rotary blade features a titanium coating that is three times harder than steel for improved durability and lasting sharpness Thumb-activated lock secures the rotary blade in either position for convenience during extended use and safety during storage