This punch features a clever design that made punching heavy cardstock easier than ever. The bottom of the punch has a sliding cover at the cutting edge to catch your cutting. It can cut 90-250 gsm without any extra force. Great for cutting paper, cardstock, stationery, invitations, thin foam sheets, thin glitter sheets, and other craft projects. Details:Sweet corner punch1" x 0.75" punch sizeCuts 90 to 250 gsm paper