Fiskars Comfort Grip Rotary Cutter, 45mm by Amazon.co.uk

• Ideal for cutting multiple layers of fabric, paper, felt and even vinyl

• Rotary blade can be assembled to either side of the rotary cutter, providing optimal blade visibility for both right- and left-handed users

• High-grade, precision-ground, stainless-steel 45 mm rotary blade stays sharper longer than other rotary blades

• Rotary blade automatically retracts when you release the handle for safety

• Thumb-activated lock secures the rotary blade in either position for convenience during extended use and safety during storage