Crafter's Companion 3 in 1 rounded corner punch is a great for scrapbookers.
The measurements are on top of the punch. It cuts 4mm, 7mm, and 10mm corner rounds. The anti-slip mat keeps the punch from moving on a table top. Can cut paper up to 250gsm. With an extendable base, perfect for holding larger sheets of paper.
Ideal for paper, cardstock, stationery, invitations, thin foam sheets, thin plastic sheets and other craft projects.