The Tonic Studios Dedicated Corner Rounder, a paper crafting staple, allows for detailed cutting of corners for card making, scrapbooking and much more. The sharp Stainless steel cutting blades produce a perfectly rounded corner in either a 10 mm/0.4 in. or a 5 mm/0.2 in. radius. The tool produces a clean beautifully shaped cut each time and has a sping loaded polypropylene body and base for extended product usage. In addition, the corner rounder features an easy-to-empty debris catcher underneath to keep your crafting workspace litter free.